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DESCRIPTION: These images show 19th and 20th century reconstructions of the world-view of the Greek philosopher Strabo who wrote his famous geography at the beginning of the Christian era and compiled his map from travelersa€™ reports and the a€?writingsa€? of ancients.
The contribution of Strabo as a scholar of great stature as philosopher, historian, and geographer, epitomizes the continuing importance of the Greek intellectual heritage - and contemporary practice - to the development of cartography in the early Roman world. Strabo claimed to have traveled widely to bring together an enormous amount of geographical knowledge. In many ways the most interesting passages relating to cartography in Straboa€™s Geographia are those that, although they contain no maps, give an account, for the first time in a surviving text, of how a description of the known world should be compiled. In order to avoid the deformational problems of flat maps, Strabo stated that he preferred to construct his map on a globe large enough to show all the required detail.
As with all Greek world maps, the great impediment to study for the historian of cartography is that we have only these verbal descriptions, not the images themselves.
It is not clear how we should interpret these familiar graphic similes Strabo employed to describe to his readers the land areas and other features on the world map. Strabo was a lengthy and discursive writer, but demonstrated good critical power in assessing earlier geographical writers and has given us a verbal picture of the known world of the time.
The most detailed examination of a term arising from Homeric geography (#105) is in respect of Ethiopians.
The function of geography, according to Strabo, is to be an interpreter, not of the whole world, but of the inhabited world.
He goes on to say there is little point in making the meridians converge slightly in such a map, so was it rectangular, a forerunner of something like Mercatora€™s projection?a€?Like Herodotus (#109), Strabo had traveled himself from Armenia and western Italy, from the Black Sea to Egypt and up the Nile to PhilA¦. Strabo has summed up for us the knowledge of the ancient world as it was in the days of the Emperor CA¦sar Augustus of the great Roman Empire, as it was when in far-off Syria the Christ was born and the greater part of the known earth was under the sway of Rome.
Strabo begins his book with a detailed account of southern Spain where he tells of her two hundred towns. Large quantities of corn and wine are exported, besides much oil, which is of the first quality, also wax, honey, and pitch . But if anyone disbelieves the evidence of reason, it would make no difference, from the point of view of the geographer, whether we make the inhabited world an island, or merely admit what experience has taught us, namely, that it is possible to sail round the inhabited world on both sides, from the east as well as from the west, with the exception of a few intermediate stretches. Despite the extension of the geographical horizons of the inhabited world since the time of Eratosthenes, Straboa€™s oikumene [inhabited world] was smaller. He goes on to suggest that the quadrilateral in which the Atlantic lies resembles in shape half the surface of a spinning-wheel, and that the oikumene [inhabited world] resembles a chlamys, a Greek mantle.
He goes on to say there is little point in making the meridians converge slightly in such a map, so was it rectangular, a forerunner of something like Mercatora€™s projection?Like Herodotus (#109), Strabo had traveled himself from Armenia and western Italy, from the Black Sea to Egypt and up the Nile to PhilA¦. Those best known are situated on the rivers, estuaries, and seas; but the two which have acquired the greatest name and importance are Cordova and Cadiz.
He grows enthusiastic over the richness of this part of southern Spain, famous from ancient days under the name of Tartessus for its wealth.
It appears to have been the grammarian Crates of Mallos (#113), a contemporary of Hipparchus, and a member of the Stoic school of Philosophers, who made the first attempt to construct a terrestrial globe, and that he exhibited the same in Pergamum, not far from the year 150 B.
Some of these monographs may be thought of as an anthology of maps, which, like all anthologies, reflects the taste and predilection of the collector. Cartography, like architecture, has attributes of both a scientific and an artistic pursuit, a dichotomy that is certainly not satisfactorily reconciled in all presentations.
The significance of maps - and much of their meaning in the past - derives from the fact that people make them to tell other people about the places or space they have experienced.
It is assumed that cartography, like art, pre-dates writing; like pictures, map symbols are apt to be more universally understood than verbal or written ones. As previously mentioned, many early maps, especially those prior to the advent of mass production printing techniques, are known only through descriptions or references in the literature (having either perished or disappeared). Many libraries and collections were not in the habit of preserving maps that they considered a€?obsoletea€? and simply discarded them. A series of maps of one region, arranged in chronological order, can show vividly how it was discovered, explored by travelers and described in detail; this may be seen in facsimile atlases like those of America (K.
As mediators between an inner mental world and an outer physical world, maps are fundamental tools helping the human mind make sense of its universe at various scales.
The history of cartography represents more than a technical and practical history of the artifacts.
The only evidence we have for the mapmaking inclinations and talents of the inhabitants of Europe and adjacent parts of the Middle East and North Africa during the prehistoric period is the markings and designs on relatively indestructible materials. Although some questions will always remain unanswered, there can be no doubt that prehistoric rock and mobiliary art as a whole constitutes a major testimony of early mana€™s expression of himself and his world view. Despite the richness of civilization in ancient Babylonia and the recovery of whole archives and libraries, a mere handful of Babylonian maps have so far been found.
Egypt, which exercised so strong an influence on the ancient civilizations of southeast Europe and the Near East, has left us no more numerous cartographic documents than her neighbor Babylonia. In so far as cartography was concerned, perhaps the greatest extant Egyptian achievement is represented by the Turin Papyrus, collected by Bernardino Drovetti before 1824 (see monograph #102) . In so far as cartography was concerned, perhaps the greatest extent that Egyptian achievement is represented is by the Turin Papyrus, collected by Bernardino Drovetti before 1824 (#102). It has often been remarked that the Greek contribution to cartography lay in the speculative and theoretical realms rather than in the practical realm, and nowhere is this truer than in the Archaic and Classical Period. To the Arab countries belongs chief credit for keeping alive an interest in astronomical studies during the so-called Christian middle ages, and we find them interested in globe construction, that is, in celestial globe construction; so far as we have knowledge, it seems doubtful that they undertook the construction of terrestrial globes. Among the Christian peoples of Europe in this same period there was not wanting an interest in both geography and astronomy.
Above the convex surface of the earth (ki-a) spread the sky (ana), itself divided into two regions - the highest heaven or firmament, which, with the fixed stars immovably attached to it, revolved, as round an axis or pivot, around an immensely high mountain, which joined it to the earth as a pillar, and was situated somewhere in the far North-East, some say North, and the lower heaven, where the planets - a sort of resplendent animals, seven in number, of beneficent nature - wandered forever on their appointed path. Now, it is remarkable that the Greeks, adopting the earlier Chaldean ideas concerning the sphericity of the earth, believed also in the circumfluent ocean; but they appear to have removed its position from latitudes encircling the Arctic regions to a latitude in close proximity to the equator. Notwithstanding this encroachment of the external ocean - encroachment which may have obliterated indications of a certain northern portion of Australia, and which certainly filled those regions with the great earth - surrounding river Okeanos - the traditions relating to the existence of an island, of immense extent, beyond the known world, were kept up, for they pervade the writings of many of the authors of antiquity.
In a fragment of the works of Theopompus, preserved by Aelian, is the account of a conversation between Silenus and Midas, King of Phrygia, in which the former says that Europe, Asia, and Africa were lands surrounded by the sea; but that beyond this known world was another island, of immense extent, of which he gives a description. Theopompus declareth that Midas, the Phrygian, and Selenus were knit in familiaritie and acquaintance. The side of the boat curves inwards, so that when reversed the figure of it would be like an orange with a slice taken off the top, and then set on its flat side. Comparing these early notions, as to the shape and extent of the habitable world, with the later ideas which limited the habitable portion of the globe to the equatorial regions, we may surmise how it came to pass that islands--to say nothing of continents which could not be represented for want of space - belonging to the southern hemisphere were set down as belonging to the northern hemisphere. We have no positive proof of this having been done at a very early period, as the earlier globes and maps have all disappeared; but we may safely conjecture as much, judging from copies that have been handed down. Early maps of the world, as distinguished from globes, take us back to a somewhat more remote period; they all bear most of the disproportions of the Ptolemaic geography, for none belonging to the pre-Ptolemaic period are known to exist. We have seen that, according to the earliest geographical notions, the habitable world was represented as having the shape of an inverted round boat, with a broad river or ocean flowing all round its rim, beyond which opened out the Abyss or bottomless pit, which was beneath the habitable crust. The description is sufficiently clear, and there is no mistaking its general sense, the only point that needs elucidation being that which refers to the position of the earth or globe as viewed by the spectator. Our modern notions and our way of looking at a terrestrial globe or map with the north at the top, would lead us to conclude that the abyss or bottomless pit of the inverted Chaldean boat, the Hades and Tartaros of the Greek conception, should be situated to the south, somewhere in the Antarctic regions. The internal evidence of the Poems points to a northern as well as a southern location for the entrance to the infernal regions.
Another probable source of information: The Phoinikes of Homer are the same Phoenicians who as pilots of King Solomona€™s fleets brought gold and silver, ivory, apes and peacocks from Asia beyond the Ganges and the East Indian islands. European mariners and geographers of the Homeric period considered the bearing of land and sea only in connection with the rising and setting of the sun and with the four winds Boreas, Euros, Notos, and Sephuros.
These mariners and geographers adopted the plan - an arbitrary one - of considering the earth as having the north above and the south below, and, after globes or maps had been constructed with the north at the top, and this method had been handed down to us, we took for granted that it had obtained universally and in all times. Such has not been the case, for the earliest navigators, the Phoenicians, the Arabs, the Chinese, and perhaps all Asiatic nations, considered the south to be above and the north below. It is strange that some historians, in pointing out so cleverly that the Chaldean conception was more in accordance with the true doctrine concerning the form of the globe than had been suspected, fails, at the same time, to notice that Homer in his brain-map reversed the Chaldean terrestrial globe and placed the north at the top.
During the middle ages, we shall see a reversion take place, and the terrestrial paradise and heavenly paradise placed according to the earlier Chaldean notions; and on maps of this epoch, encircling the known world from the North Pole to the equator, flows the antic Ocean, which in days of yore encircled the infernal regions. At a later period, during which planispheric maps, showing one hemisphere of the world, may have been constructed, the circumfluent ocean must have encircled the world as represented by the geographical exponents of the time being; albeit in a totally different way than expressed in the Shumiro-Accadian records.
It follows from all this that, as mariners did actually traverse those regions and penetrate south of the equator, the islands they visited most, such as Java, its eastern prolongation of islands, Sumbawa, etc., were believed to be in the northern hemisphere, and were consequently placed there by geographers, as the earliest maps of the various editions of Ptolemya€™s Geography bear witness. These mistakes were the result doubtless of an erroneous interpretation of information received; and the most likely period during which cognizance of these islands was obtained was when Alexandria was the center of the Eastern and Western commerce of the world. But to return to the earlier Pre-Ptolemaic period and to form an idea of the chances of information which the traffic carried on in the Indian Ocean may have offered to the Greeks and Romans, here is what Antonio Galvano, Governor of Ternate says in 1555, quoting Strabo and Pliny (Strabo, lib.
Now as the above articles of commerce, mentioned by Strabo and Pliny, after leaving their original ports in Asia and Austral-Asia, were conveyed from one island to another, any information, when sought for, concerning the location of the islands from which the spices came, must necessarily have been of a very unreliable character, for the different islands at which any stay was made were invariably confounded with those from which the spices originally came.
From these facts, and many others, such as the positions given to the Mountain of the East or North-East of the Shumiro-Accads, the Mountain of the South, or Southwest, of Homer, and the Infernal Regions, we may conclude that the North Pole of the Ancients was situated somewhere in the neighborhood of the Sea of Okhotsk. It is in the Classical Period of Greek cartography that we can start to trace a continuous tradition of theoretical concepts about the size and shape of the earth.
Likewise, it should be emphasized that the vast majority of our knowledge about Greek cartography in this early period is known primarily only from second- or third-hand accounts. There is no complete break between the development of cartography in Classical and in Hellenistic Greece.
In spite of these speculations, however, Greek cartography might have remained largely the province of philosophy had it not been for a vigorous and parallel growth of empirical knowledge. That such a change should occur is due both to political and military factors and to cultural developments within Greek society as a whole. The librarians not only brought together existing texts, they corrected them for publication, listed them in descriptive catalogs, and tried to keep them up to date.
The other great factor underlying the increasing realism of maps of the inhabited world in the Hellenistic Period was the expansion of the Greek world through conquest and discovery, with a consequent acquisition of new geographical knowledge.
Among the contemporaries of Alexander was Pytheas, a navigator and astronomer from Massalia [Marseilles], who as a private citizen embarked upon an exploration of the oceanic coasts of Western Europe. As exemplified by the journeys of Alexander and Pytheas, the combination of theoretical knowledge with direct observation and the fruits of extensive travel gradually provided new data for the compilation of world maps.
The importance of the Hellenistic Period in the history of ancient world cartography, however, has been clearly established.
In the history of geographical (or terrestrial) mapping, the great practical step forward during this period was to locate the inhabited world exactly on the terrestrial globe. Thus it was at various scales of mapping, from the purely local to the representation of the cosmos, that the Greeks of the Hellenistic Period enhanced and then disseminated a knowledge of maps.
The Roman Republic offers a good case for continuing to treat the Greek contribution to mapping as a separate strand in the history of classical cartography.
The remarkable influence of Ptolemy on the development of European, Arabic, and ultimately world cartography can hardly be denied.
Notwithstanding his immense importance in the study of the history of cartography, Ptolemy remains in many respects a complicated figure to assess. Still the culmination of Greek cartographic thought is seen in the work of Claudius Ptolemy, who worked within the framework of the early Roman Empire. When we turn to Roman cartography, it has been shown that by the end of the Augustan era many of its essential characteristics were already in existence.
In the course of the early empire large-scale maps were harnessed to a number of clearly defined aspects of everyday life. Maps in the period of the decline of the empire and its sequel in the Byzantine civilization were of course greatly influenced by Christianity.
Continuity between the classical period and succeeding ages was interrupted, and there was disruption of the old way of life with its technological achievements, which also involved mapmaking. The Byzantine Empire, though providing essential links in the chain, remains something of an enigma for the history of the long-term transmission of cartographic knowledge from the ancient to the modern world. It may be necessary to emphasize that the ancient Greek maps shown in this volume are a€?reconstructionsa€? by modern scholars based upon the textual descriptions of the general outline of the geographical systems formed by each of the successive Greek writers so far as it is possible to extract these from their writings alone.
China is Asiaa€™s oldest civilization, and the center from which cultural disciplines spread to the rest of the continent. An ancient wooden map discovered by Chinese archaeologists in northwest China's Gansu Province has been confirmed as the country's oldest one at an age of more than 2,200.
The map of Guixian was unearthed from tombs of the Qin Kingdom at Fangmatan in Tianshui City of Gansu Province in 1986 and was listed as a national treasure in 1994. Unlike modern maps, place names on these maps were written within big or small square frames, while the names of rivers, roads, major mountains, water systems and forested areas were marked directly with Chinese characters.
Whoever sets out to write on the history of geography in China faces a quandary, however, for while it is indispensable to give the reader some appreciation of the immense mass of literature which Chinese scholars have produced on the subject, it is necessary to avoid the tedium of listing names of authors and books, some of which indeed have long been lost.
As for the ideas about the shape of the earth current in ancient Chinese thought, the prevailing belief was that the heavens were round and the earth square. The following attempts to compare rather carefully the parallel march of scientific geography in the West and in China. The now lost map by Strabo represented the sum total of cartographic knowledge before the Christian era. It is generally accepted, however, that he must have compiled much of this information in the great library at Alexandria, where he had access to many earlier texts now lost. His motives for writing such a geography (so he tells us) were that he felt impelled to describe the inhabited world because of the considerable strides in geographical knowledge that had been made through the numerous campaigns of the Romans and Parthians. The first stage was to locate the portion of the terrestrial globe that was known to be inhabited. And, as to these stretches, it makes no difference whether they are bounded by sea or by uninhabited land; for the geographer undertakes to describe the known parts of the inhabited world, but he leaves out of consideration the unknown parts of it - just as he does what is outside of it. Although PythA¦s, Eratosthenes, and perhaps Posidonius had fixed its northern limit on the parallel through Thule [Iceland ?
He recommended that it be at least ten feet (approximately three meters) in diameter and mentions Crates (#113) in this regard. Nevertheless, apart from the reduced size of the inhabited world, the map Strabo envisaged was similar in its overall shape to that drawn by Eratosthenes (#112). He treats Homer (#105) as the first writer on geography, and defends the Homeric picture of the known world as substantially true. Thus he says that the legend of the Golden Fleece brought back from Colchis by the Argonauts reflects the search for gold by early Greeks in areas of the Black Sea. What did Homer mean by saying they were a€?divided in two, some where Hyperion rises and some where he setsa€??
Thus, accepting Eratosthenesa€™ measurement of 252,000 stades for the circumference of the earth, the geographer ought not to include the equatorial zone, since that in Straboa€™s view is uninhabitable.
This suggests that the eastern and western extremities of the oikumene were thought of as tapering and convex. But one needs a large globe, so that the section mentioned, being only a fraction of it, may clearly show the appropriate parts of the oikumene, which win present a recognizable shape to users. But his seventeen volumes -vastly important to his contemporaries - read like a romance to us today, and a glance at the map laid down according to his descriptions is like a vague and distorted caricature of the real thing.
A wall-map had already been designed by order of Augustus (#118) to hang in a public place in Rome - the heart of the Empire - so that the young Romans might realize the size of their inheritance, while a list of the chief places on the roads, which, radiating from Rome, formed a network over the Empire, was inscribed on the Golden Milestone in the Forum. It is astonishing to think that in the days of Strabo the silver mines employed forty thousand workmen, and produced the modern-day equivalence of approximately $1,800 a day!a€?But we cannot follow Strabo over the world in all his detail.
Some had told him it was a third of the whole habitable world, some that it took four months to walk through the plain only. 21, and a century passed before Pliny wrote An Account of Countries, Nations, Seas, Towns, Havens, Mountains, Rivers, Distances, and Peoples who now Exist or Formerly Existed.
It is astonishing to think that in the days of Strabo the silver mines employed forty thousand workmen, and produced the modern-day equivalence of approximately $1,800 a day!But we cannot follow Strabo over the world in all his detail. It may also be likened to a book of reproductions of works of art, in the sense that the illustrations, even with the accompanying commentary, cannot really do justice to the originals.
A knowledge of maps and their contents is not automatic - it has to be learned; and it is important for educated people to know about maps even though they may not be called upon to make them.
Some maps are successful in their display of material but are scientifically barren, while in others an important message may be obscured because of the poverty of presentation. Maps constitute a specialized graphic language, an instrument of communication that has influenced behavioral characteristics and the social life of humanity throughout history.
Maps produced by contemporary primitive peoples have been likened to so-called prehistoric maps. In earlier times these maps were considered to be ephemeral material, like newspapers and pamphlets, and large wall-maps received particularly careless treatment because they were difficult to store.
When, in 1918, a mosaic floor was discovered in the ancient TransJordanian church of Madaba showing a map of Palestine, Syria and part of Egypt, a whole series of reproductions and treatises was published on the geography of Palestine at that time. Kretschner, 1892), Japan (P.Teleki, 1909), Madagascar (Gravier, 1896), Albania (Nopcsa, 1916), Spitzbergen (Wieder, 1919), the northwest of America (Wagner, 1937), and others.
Indeed, much of its universal appeal is that the simpler types of map can be read and interpreted with only a little training. Crone remarked that a€?a map can be considered from several aspects, as a scientific report, a historical document, a research tool, and an object of art. It may also be viewed as an aspect of the history of human thought, so that while the study of the techniques that influence the medium of that thought is important, it also considers the social significance of cartographic innovation and the way maps have impinged on the many other facets of human history they touch.
It is reasonable to expect some evidence in this art of the societya€™s spatial consciousness. There is, for example, clear evidence in the prehistoric art of Europe that maps - permanent graphic images epitomizing the spatial distribution of objects and events - were being made as early as the Upper Paleolithic. In Mesopotamia the invention by the Sumerians of cuneiform writing in the fourth millennium B.C. In the former field, among other things, they attained a remarkably close approximation for a?s2, namely 1.414213.
The courses of the Tigris and Euphrates rivers offered major routes to and from the north, and the northwest, and the Persian Gulf allowed contact by sea along the coasts of Arabia and east to India.
Within this span of some three thousand years, the main achievements in Greek cartography took place from about the sixth century B.C. Stevenson, it is not easy to fix, with anything like a satisfactory measure of certainty, the beginning of globe construction; very naturally it was not until a spherical theory concerning the heavens and the earth had been accepted, and for this we are led back quite to Aristotle and beyond, back indeed to the Pythagoreans if not yet farther.
We are now learning that those centuries were not entirely barren of a certain interest in sciences other than theological. It has now been ascertained and demonstrated beyond doubt that the earliest ideas concerning the laws of the universe and the shape of the earth were, in many respects, more correct and clearer than those of a subsequent period.
Ragozin, says the Shumiro-Accads had formed a very elaborate and clever idea of what they supposed the world to be like; they imagined it to have the shape of an inverted round boat or bowl, the thickness of which would represent the mixture of land and water (ki-a) which we call the crust of the earth, while the hollow beneath this inhabitable crust was fancied as a bottomless pit or abyss (ge), in which dwelt many powers. The account of this conversation, which is too lengthy here to give in full, was written three centuries and a half before the Christian era.
Of the familiaritie of Midas, the Phrigian, and Selenus, and of certaine circumstances which he incredibly reported. This Selenus was the sonne of a nymphe inferiour to the gods in condition and degree, but superiour to men concerning mortalytie and death.
The Chaldean conception, thus rudely described, shows a yet nearer approximation to the true doctrine concerning the form of the globe, when we bear in mind that this actually is in shape a flattened sphere, with the vertical diameter the shorter one. A curious example of the difficulties that early cartographers of the circumfluent ocean period had to contend with, and of the sans faA§on method of dealing with them, occurs in the celebrated Fra Mauro mappamundi (Book III, #249), which is one of the last in which the external ocean is still retained. The influence of the Ptolemaic astronomical and geographical system was very great, and lasted for over thirteen hundred years.
There are reasons to believe however, apart from the evidence we gather in the Poems, that these abyssal regions were supposed or believed to be situated around the North Pole.
Homer, The Outward Geography Eastwards: a€?The outer geography eastwards, or wonderland, has for its exterior boundary the great river Okeanos, a noble conception, in everlasting flux and reflux, roundabout the territory given to living man. The Phoenician reports referred to came most likely therefore, not so much from the north, as from these regions which, tradition tells us (Fra Mauroa€™s mappamundi #249), were situated propinqua ale tenebre. These winds covered the arcs intervening between our four cardinal points of the compass, which points were not located exactly as with us; but the north leaning to the east, the east to the south, the south to the west and the west to the north (see Beatusa€™ Turin map, Book II, #207).
The reason for this is plausible, for whereas the northern seaman regulated his navigation by the North Star, the Asiatic sailor turned to southern constellations for his guidance.
This is all the more strange when we take into consideration that, in the light of his context, the fact is apparent and of great importance as coinciding with other European views concerning the location of the north on terrestrial globes and maps. The Chaldeans placed their heaven in the east or northeast; Homer placed his heaven in the south or southwest.


In this ocean we find also EA the Exalted Fish, but, deprived of his ancient grandeur and divinity, he is no doubt considered nothing more than a merman at the period when acquaintance is renewed with him on the SchA¶ner-Frankfort gores of Asiatic origin bearing the date 1515 (Book IV, #328). The divergence was probably owing in a great measure to the inability of representing graphically the perspective appearance of the globe on a plane; but may be also traceable to an erroneous interpretation of the original idea, caused by the reversion of the cardinal points of the compass. According to this division other continents south of the equator were supposed to exist and habited, some said, but not to be approached by those inhabiting the northern hemisphere on account of the presumed impossibility of traversing the equatorial regions, the heat of which was believed to be too intense. We shall see, when dealing with Ptolemy's map of the world, some of the results of this confusion. Thomas, after the dispersion of the Apostles, preached the Gospel to the Parthians and Persians; then went to India, where he gave up his life for Jesus Christ.
That he corroborates Homera€™s views as to the sphericity of the earth by describing Cratesa€™ terrestrial globe (Geographica; Book ii. That he accentuates Homera€™s views concerning the black races that lived some in the west (the African race) others in the east (the Australian race).
That he shows the four cardinal points of the compass to have been situated somewhat differently than with us, for he says (Book 1, c. That he appears to be perpetuating an ancient tradition when he supposes the existence of a vast continent or antichthonos in the southern hemisphere to counterbalance the weight of the northern continents. The relativeness of these positions appears to have been maintained on some mediaeval maps. To appreciate how this period laid the foundations for the developments of the ensuing Hellenistic Period, it is necessary to draw on a wide range of Greek writings containing references to maps.
We have no original texts of Anaximander, Pythagoras, or Eratosthenes - all pillars of the development of Greek cartographic thought.
In contrast to many periods in the ancient and medieval world and despite the fragmentary artifacts, we are able to reconstruct throughout the Greek period, and indeed into the Roman, a continuum in cartographic thought and practice.
Indeed, one of the salient trends in the history of the Hellenistic Period of cartography was the growing tendency to relate theories and mathematical models to newly acquired facts about the world - especially those gathered in the course of Greek exploration or embodied in direct observations such as those recorded by Eratosthenes in his scientific measurement of the circumference of the earth. With respect to the latter, we can see how Greek cartography started to be influenced by a new infrastructure for learning that had a profound effect on the growth of formalized knowledge in general.
Thus Alexandria became a clearing-house for cartographic and geographical knowledge; it was a center where this could be codified and evaluated and where, we may assume, new maps as well as texts could be produced in parallel with the growth of empirical knowledge. In his treatise On the Ocean, Pytheas relates his journey and provides geographical and astronomical information about the countries that he observed. While we can assume a priori that such a linkage was crucial to the development of Hellenistic cartography, again there is no hard evidence, as in so many other aspects of its history, that allows us to reconstruct the technical processes and physical qualities of the maps themselves. Its outstanding characteristic was the fruitful marriage of theoretical and empirical knowledge. Eratosthenes was apparently the first to accomplish this, and his map was the earliest scientific attempt to give the different parts of the world represented on a plane surface approximately their true proportions. By so improving the mimesis or imitation of the world, founded on sound theoretical premises, they made other intellectual advances possible and helped to extend the Greek vision far beyond the Aegean.
While there was a considerable blending and interdependence of Greek and Roman concepts and skills, the fundamental distinction between the often theoretical nature of the Greek contribution and the increasingly practical uses for maps devised by the Romans forms a familiar but satisfactory division for their respective cartographic influences. The profound difference between the Roman and the Greek mind is illustrated with peculiar clarity in their maps. Through both the Mathematical Syntaxis (a treatise on mathematics and astronomy in thirteen books, also called the Almagest and the Geography (in eight books), it can be said that Ptolemy tended to dominate both astronomy and geography, and hence their cartographic manifestations, for over fourteen centuries.
A modern analysis of Ptolemaic scholarship offers nothing to revise the long-held consensus that he is a key figure in the long term development of scientific mapping. In its most obvious aspect, the exaggerated size of Jerusalem on the Madaba mosaic map (# 121) was no doubt an attempt to make the Holy City not only dominant but also more accurately depicted in this difficult medium.
In both Western Europe and Byzantium relatively little that was new in cartography developed during the Dark Ages and early Middle Ages, although monks were assiduously copying out and preserving the written work of many past centuries available to them. Researcher He said that the map, drawn in black on four pine wood plates of almost the same size, had clear and complete graphics depicting the administrative division, a general picture of local geography and the economic situation in Guixian County in the Warring States era. Only a few examples can be given, but it should be understood, even when it is not expressly said, that they must often stand simply as representative of a whole class of works. It may be said at the outset that both in East and West there seem to have been two separate traditions, one which we may call a€?scientific, or quantitative, cartographya€™, and one which we may call a€?religious, or symbolic, cosmographya€™. Usually these are nichrome wire, surrounded in ceramic insulation, with a steel sheath around the ceramic. Inside the oven, the heating element is called a "bake" or "broil" element.
All his writings were firmly set in, if not direct extensions of, the work of his predecessors.
The world map had to be adjusted to take account of these facts, and thus Strabo almost certainly proceeded by taking Eratosthenesa€™ map - and the criticism of it by Polybius, Crates, Hipparchus, and Posidonius - as the basis for his own work. Strabo reasoned that it lay in a northern quadrant of a globe, in a quadrilateral bounded by the frigid zone, the equator, and two meridians on the sides. And it will suffice to fill out and complete the outline of what we term a€?the islanda€? by pining with a straight line the extreme points reached on the coasting-voyages made on both sides of the inhabited world.
66A° N], Strabo, like Polybius, refused to believe that human life was possible so far north, and he blamed Pytheas for having misled so many people by his claim that the a€?summer tropica€? becomes the a€?arctic circlea€? at the island of Thule.
On the other hand, if a globe of this size could not be constructed, Strabo was familiar from Eratosthenes with the transformation necessary to draw it on a plane surface. In describing its detailed geography, however, Strabo did not employ, at least overtly, Eratosthenesa€™ division of the world into irregular quadrilaterals or sphragides, but he often used geometric figures or comparisons to everyday objects to describe the general outline of a country. In some cases, where alternative descriptions are provided, he may have been attempting to collate the outlines of more than one map. But within the Homeric chapters he has a section in which he attempts to analyze navigation of the oceans over the ages. When Homer made Hera say: a€?For I shall see the bounds of fertile earth and Oceanus, father of the godsa€?, what he means, says Strabo, is that the Ocean touches all the extremities of the land. Instead he should start his analysis with the Cinnamon Country [near the mouth of the Red Sea, Somaliland], about 8,800 stades north of the equator, in the south, and with Ireland in the north. Again, he estimated the length of the oikumene as 70,000 stades and its width as less than 30,000. He tells us of a people living north of the Tagus, who slept on the ground, fed on acorn-bread, and wore black cloaks by day and night. It seems to have been Cratesa€™ idea that the eartha€™s surface, when represented on a sphere, should appear as divided into four island-like habitable regions.
They have often served as memory banks for spatial data and as mnemonics in societies without the printed word and can speak across the barriers of ordinary language, constituting a common language used by men of different races and tongues to express the relationship of their society to a geographic environment. Certain carvings on bone and petroglyphs have been identified as prehistoric route maps, although according to a strict definition, they might not qualify as a€?mapsa€?.
In the present work, reconstruction of maps no longer extant are used in place of originals or assumed originals. Since the maps were missing, he drew them himself from indications in the ancient text, and when the work was finished, he commemorated this too in verse.
The map answered many hitherto insoluble or disputed questions, for example the question as to where the Virgin Mary met the mother of John Baptist.
A series of maps of a coastal region (for example, that of Holland or Friesland) or of river estuaries (the Po, Mississippi, Volga, or lower Yellow River) gives information on the rate of changes in outline and their causes. Maps represent an excellent mirror of culture and civilizationa€?, but they are also more than a mere reflection: maps in their own right enter the historical process by means of reciprocally structured relationships.
But when it comes to drawing up the balance sheet of evidence for prehistoric maps, we must admit that the evidence is tenuous and certainly inconclusive. The same evidence shows, too, that the quintessentially cartographic concept of representation in plan was already in use in that period. Our divisions into 60 and 360 for minutes, seconds and degrees are a direct inheritance from the Babylonians, who thought in these terms.
The Pharaohs organized military campaigns, trade missions, and even purely geographical expeditions to explore various countries. From earliest times much of the area covered by the annual Nile floods had, upon their retreat, to be re-surveyed in order to establish the exact boundaries of properties. We find allusions to celestial globes in the days of Eudoxus and Archimedes, to terrestrial globes in the days of Crates and Hipparchus. In Justiniana€™s day, or near it, one Leontius Mechanicus busied himself in Constantinople with globe construction, and we have left to us his brief descriptive reference to his work.
But above all these, higher in rank and greater in power, is the Spirit (Zi) of heaven (ana), ZI-ANA, or, as often, simply ANA--Heaven. On this map of the world the islands of the Malay Archipelago follow the shores of Asia from Malacca to Japan. Even the Arabs, who, after the fall of the Roman Empire, developed the geographical knowledge of the world during the first period of the middle ages, adopted many of its errors.
Volcanoes were supposed to be the entrances to the infernal regions, and towards the southeast the whole region beyond the river Okeanos of Homer, from Java to Sumbawa and the Sea of Banda, was sufficiently studded with mighty peaks to warrant the idea they may have originated. Many cartographers of the renascence, whose charts indeed we cannot read unless we reverse them, must have followed Asiatic cartographical methods, and this perhaps through copying local charts obtained in the countries visited by them. Taprobana was the Greek corruption of the Tamravarna of Arabian, or even perhaps Phoenician, nomenclature; our modern Sumatra.
Geographical science was on the eve of reaching its apogee with the Greeks, were it was doomed to retrograde with the decline of the Roman Empire. John III, King of Portugal, ordered his remains to be sought for in a little ruined chapel that was over his tomb, outside Meliapur or Maliapor. In some cases the authors of these texts are not normally thought of in the context of geographic or cartographic science, but nevertheless they reflect a widespread and often critical interest in such questions.
In particular, there are relatively few surviving artifacts in the form of graphic representations that may be considered maps. Despite a continuing lack of surviving maps and original texts throughout the period - which continues to limit our understanding of the changing form and content of cartography - it can be shown that, by the perioda€™s end, a markedly different cartographic image of the inhabited world had emerged. Of particular importance for the history of the map was the growth of Alexandria as a major center of learning, far surpassing in this respect the Macedonian court at Pella. Later geographers used the accounts of Alexandera€™s journeys extensively to make maps of Asia and to fill in the outline of the inhabited world.
Not even the improved maps that resulted from these processes have survived, and the literary references to their existence (enabling a partial reconstruction of their content) can even in their entirety refer only to a tiny fraction of the number of maps once made and once in circulation. It has been demonstrated beyond doubt that the geometric study of the sphere, as expressed in theorems and physical models, had important practical applications and that its principles underlay the development both of mathematical geography and of scientific cartography as applied to celestial and terrestrial phenomena. On his map, moreover, one could have distinguished the geometric shapes of the countries, and one could have used the map as a tool to estimate the distances between places.
To Rome, Hellenistic Greece left a seminal cartographic heritage - one that, in the first instance at least, was barely challenged in the intellectual centers of Roman society.
Certainly the political expansion of Rome, whose domination was rapidly extending over the Mediterranean, did not lead to an eclipse of Greek influence.
Such knowledge, relating to both terrestrial and celestial mapping, had been transmitted through a succession of well-defined master-pupil relationships, and the preservation of texts and three-dimensional models had been aided by the growth of libraries. The Romans were indifferent to mathematical geography, with its system of latitudes and longitudes, its astronomical measurements, and its problem of projections.
Yet Ptolemy, as much through the accidental survival and transmission of his texts when so many others perished as through his comprehensive approach to mapping, does nevertheless stride like a colossus over the cartographic knowledge of the later Greco-Roman world and the Renaissance.
Pilgrims from distant lands obviously needed itineraries like that starting at Bordeaux, giving fairly simple instructions. When we come to consider the mapping of small areas in medieval western Europe, it will be shown that the Saint Gall monastery map is very reminiscent of the best Roman large-scale plans.
Some maps, along with other illustrations, were transmitted by this process, but too few have survived to indicate the overall level of cartographic awareness in Byzantine society.
Eighty-two places are marked with their respective names, locations of rivers, mountains and forested areas on the map.
Experts said that graphics, symbols, scales, locations, longitude and latitude are key elements of a map. Thus in the Ta Tai Li Chi, Tseng Shen, replying to the questions of Shanchu Li, admits that it was very hard to see how, on the orthodox view, the four comers of the earth could be properly covered. Thus his Historical Memoirs in forty-seven books, now lost, was a continuation of Polybius. For a graticule, Strabo adopted the straight forward rectangular network of parallels and meridians. It is also probable that students were expected to consult the text of the Geographia with the help of maps, so that the shapes thus enumerated may have served as a simple mnemonic.
Or again, when Homer describes Odysseus as seeing land as he was on the crest of a great wave, he must have been referring to the curvature of the earth, a phenomenon familiar to sailors.
He categorizes regions from south to north according to greatest length of day in equinoctial hours. If one cannot make it as big or not much smaller, one should construct a map of the oikumene on a plane surface at least seven feet long.
He does not think Britain is worth conquering - Ireland lies to the north, not west, of Britain; it is a barren land full of cannibals and wrapped in eternal snows - the Pyrenees nun parallel to the Rhine - the Danube rises near the Alps - even Italy herself runs east and west instead of north and south. On the one hemisphere, which is formed by a meridional plane cutting the sphere, lies our own oecumene or habitable world, and that of the Antoecians in corresponding longitude and in opposite latitude; on the other hemisphere lies the oecumene of the Perioecians in our latitude and in opposite longitude, and that of the Antipodes in latitude and longitude opposite to us. This implies that throughout history maps have been more than just the sum of technical processes or the craftsmanship in their production and more than just a static image of their content frozen in time. The reconstructions of such maps appear in the correct chronology of the originals, irrespective of the date of the reconstruction. After the fall of Byzantium in 1453, its conqueror, the Turkish Sultan Mohammed II, found in the library that he inherited from the Byzantine rulers a manuscript of Ptolemya€™s Geographia, which lacked the world-map, and he commissioned Georgios Aminutzes, a philosopher in his entourage, to draw up a world map based on Ptolemya€™s text. Comparison of travelersa€™ maps from various periods show the development and change of routes or road-building and allows us to draw conclusions of every kind about the development or decay of farms, villages and towns. They were artistic treasure-houses, being often decorated with fine miniatures portraying life and customs in distant lands, various types of ships, coats-of-arms, portraits of rulers, and so on. The development of the map, whether it occurred in one place or at a number of independent hearths, was clearly a conceptual advance - an important increment to the technology of the intellect - that in some respects may be compared to the emergence of literacy or numeracy. The historian of cartography, looking for maps in the art of prehistoric Europe and its adjacent regions, is in exactly the same position as any other scholar seeking to interpret the content, functions, and meanings of that art.
Moreover, there is sufficient evidence for the use of cartographic signs from at least the post-Paleolithic period.
They are impressed on small clay tablets like those generally used by the Babylonians for cuneiform inscriptions of documents, a medium which must have limited the cartographera€™s scope. The survey was carried out, mostly in squares, by professional surveyors with knotted ropes. We find that the Greek geographer Strabo gives us quite a definite word concerning their value and their construction, and that Ptolemy is so definite in his references to them as to lead to a belief that globes were by no means uncommon instruments in his day, and that they were regarded of much value in the study of geography and astronomy, particularly of the latter science. With stress laid, during the many centuries succeeding, upon matters pertaining to the religious life, there naturally was less concern than there had been in the humanistic days of classical antiquity as to whether the earth is spherical in form, or flat like a circular disc, nor was it thought to matter much as to the form of the heavens. Hyde Clarke has more than once pointed out in The Legend of the Atlantis of Plato, Royal Historical Society 1886, etc., that Australia must have been known in the most remote antiquity of the early history of civilization, at a time when the intercourse with America was still maintained. Between the lower heaven and the surface of the earth is the atmospheric region, the realm of IM or MERMER, the Wind, where he drives the clouds, rouses the storms, and whence he pours down the rain, which is stored in the great reservoir of Ana, in the heavenly ocean. Then in a northeasterly direction Homera€™s great river Okeanos would flow along the shores of the Sandwich group, where the volcanic peak of Mt. Aristotlea€™s writings, for example, provide a summary of the theoretical knowledge that underlay the construction of world maps by the end of the Greek Classical Period. Our cartographic knowledge must, therefore, be gleaned largely from literary descriptions, often couched in poetic language and difficult to interpret.
The ambition of Eratosthenes to draw a general map of the oikumene based on new discoveries was also partly inspired by Alexandera€™s exploration. In this case too, the generalizations drawn herein by various authorities (ancient and modern scholars, historians, geographers, and cartographers) are founded upon the chance survival of references made to maps by individual authors.
Yet this evidence should not be interpreted to suggest that the Greek contribution to cartography in the early Roman world was merely a passive recital of the substance of earlier advances. If land survey did play such an important part, then these plans, being based on centuriation requirements and therefore square or rectangular, may have influenced the shape of smaller-scale maps.
This is perhaps more remarkable in that his work was primarily instructional and theoretical, and it remains debatable if he bequeathed a set of images that could be automatically copied by an uninterrupted succession of manuscript illuminators.
While almost certainly fewer maps were made than in the Greco-Roman Period, nevertheless the key concepts of mapping that had been developed in the classical world were preserved in the Byzantine Empire.
What is more surprising is that the map marks the location of Wei Shui, now known as the Weihe River, and many canyons in the area. The map of Guixian County has all these elements except longitude and latitude, according to historians. The Geographia is of key importance to our whole knowledge of the history of Greek cartography as well as to the history of science in general.
The so-called quadrilateral, bounded by half of this arctic circle, half of the equator, and segments of two meridians, is a spherical quadrilateral, a portion of a sphere. He defended his projection on the ground that it would make only a slight difference if the circles on the earth were represented by straight lines, a€?for our imagination can easily transfer to the globular and spherical surface the figure or magnitude seen by the eye on a plane surface.a€? The dimensions of this flat map were also to be generous.
Similarly, Strabo compares the shape of Iberia to an ox-hide, the Peloponnese to a plane-leaf; and the northern part of Asia, east of the Caspian, to a kitchen knife with the straight side along the Taurus range and the curved side along the northern coastline.
Yet if such suggestions must remain speculative, there can be little doubt that by the early Roman period world maps and globes drawn by Greek scholars were encouraging a distinctively geographical way of thinking about the world.
The problems of the armchair geographer are revealed in the journalistic trick of quotes from quotes on an important exploration: a€?Posidonius, says Herodotus, thinks that certain men sent by Neco completed the circumnavigationa€™. Some of this was polemic against Eratosthenes, who would not have if that early epic poetry could contribute anything to scientific theory. Cratesa€™ view was based upon an unorthodox view that the division was north-south rather than the obvious interpretation of east-west. This list, starting at Meroe with thirteen hours and ending at an area north of the Sea of Azov with seventeen hours, is similar to that given by the elder Pliny. A vast number of people dwell along the Guadalquivir, and you may sail up it almost a hundred and twenty miles from the sea to Cordova and the places a little higher. Through the formulation and expression of such a theory the idea of the existence of an antipodal people was put forth as a speculative problem, an idea frequently discussed in the middle ages, and settled only by the actual discovery of antipodal regions and antipodal peoples in the day of great transoceanic discoveries.
But he gives us a fuller account of Great Britain, based on the fresh discovers of Roman generals. Indeed, any history of maps is compounded by a complex series of interactions, involving their intent, their use and their purpose, as well as the process of their making.
All reconstructions are, to a greater or lesser degree, the product of the compiler and the technology of his times.
He knew it would be out of date, but that is precisely what he wanted - an ancient map; to perpetuate it, he also had a carpet woven from the drawing.
Inferences have to be made about states of mind separated from the present not only by millennia but also - where ethnography is called into service to help illuminate the prehistoric evidence - by the geographical distance and different cultural contexts of other continents.
Two of the basic map styles of the historical period, the picture map (perspective view) and the plan (ichnographic view), also have their prehistoric counterparts. However, the measurement of circular and triangular plots was envisaged: advice on this, and plans, are given in the Rhind Mathematical Papyrus of ca. From Ptolemaic Egypt there is a rough rectangular plan of surveyed land accompanying the text of the Lille Papyrus I, now in Paris; also two from the estate of Apollonius, minister of Ptolemy II. There is, however, but one example known, which has come down to us from that ancient day, this a celestial globe, briefly described as the Farnese globe. Yet there was no century, not even in those ages we happily are learning to call no longer a€?darka€?, that geography and astronomy were not studied and taught, and globes celestial as well as armillary spheres, if not terrestrial globes, were constructed.
Here however he makes his hero confess that he is wholly out of his bearings, and cannot well say where the sun is to set or to rise (Od. Although these views were continued and developed to a certain extent by their successors, Strabo and Ptolemy, through the Roman period, and more or less entertained during the Middle Ages, they became obscured as time rolled on. The bones of the holy apostle were found, with some relics that were placed in a rich vase.
Again, if we consider the Atlantic and North Pacific Oceans as devoid of the American Continent, and the Atlantic Ocean as stretching to the shores of Asia, as Strabo did, the parallel of Iberia (Spain) would have taken Columbusa€™ ships to the north of Japan--i.e.
At the time when Alexander the Great set off to conquer and explore Asia and when Pytheas of Massalia was exploring northern Europe, therefore, the sum of geographic and cartographic knowledge in the Greek world was already considerable and was demonstrated in a variety of graphic and three-dimensional representations of the heavens and the earth. In addition, many other ancient texts alluding to maps are further distorted by being written centuries after the period they record; they too must be viewed with caution because they are similarly interpretative as well as descriptive. Eudoxus had already formulated the geocentric hypothesis in mathematical models; and he had also translated his concepts into celestial globes that may be regarded as anticipating the sphairopoiia [mechanical spheres].


And it was at Alexandria that this Ptolemy, son of Ptolemy I Soter, a companion of Alexander, had founded the library, soon to become famous through the Mediterranean world. It seems, though, that having left Massalia, Pytheas put into Gades [Cadiz], then followed the coasts of Iberia [Spain] and France to Brittany, crossing to Cornwall and sailing north along the west coast of England and Scotland to the Orkney Islands. On the contrary, a principal characteristic of the new age was the extent to which it was openly critical of earlier attempts at mapping. Disregarding the elaborate projections of the Greeks, they reverted to the old disk map of the Ionian geographers as being better adapted to their purposes. This shape was also one which suited the Roman habit of placing a large map on a wall of a temple or colonnade.
90-168), Greek and Roman influences in cartography had been fused to a considerable extent into one tradition. The Almagest, although translated into Latin by Gerard of Cremona in the 12th century, appears to have had little direct influence on the development of cartography.
Ptolemya€™s principal legacy was thus to cartographic method, and both the Almagest and the Geography may be regarded as among the most influential works in cartographic history.
However, the maps of Marinus and Ptolemy, one of the latter containing thousands of place-names, were at least partly known to Arabic geographers of the ninth to the 10th century. The most accomplished Byzantine map to survive, the mosaic at Madaba (#121), is clearly closer to the classical tradition than to maps of any subsequent period. He Shuangquan, a research fellow with the Gansu Provincial Archaeological Research Institute, has made an in-depth study of the map and confirmed its drawing time to be 239 B.C.
Armando CortesA?o states that as a source it was a€?second to none in the history of geography and cartographya€? of this period.
In this design Strabo had been influenced not only by Eratosthenesa€™ measurement of the earth but also by the concept of the four inhabited worlds, known and unknown, expounded by Crates (#113), to whom he refers explicitly.
He estimated the latitudinal extent of the inhabited world as less than 30,000 stades (compared with Eratosthenesa€™ 38,000 stades) and reduced its length to 70,000 stades instead of Eratosthenesa€™ 78,000 stades [one mile = 9 to 10 stades; there has always been some controversy over the equivalent modern length of a stade as used by various authors]. Strabo envisaged that it would be at least seven feet long and presumably three feet wide, which would suit the length of the inhabited world (70,000 by 30,000 stades), one foot being equivalent to 10,000 stades.
India, with two adjacent sides (south and east) much longer than the two others, he described as rhomboidal; Mesopotamia, between the Tigris and Euphrates rivers, he saw as being like a boat drawn in profile, with the deck on the Tigris side and the keel near the Euphrates.
And it is likely, among the educated group at least, that an increasingly standard image of the inhabited world had come to be more widely accepted through the use of these maps.
This is all he reports, so that we have to beware of using all his work as scientifically worthy material. As mentioned earlier, in the extreme north, Strabo denied the existence of a Thule Island [Iceland?]. A considerable quantity of salted fish is exported, not only from hence, but also from the remainder of the coast beyond the Pillars. That Strabo, at a later date, had this Pergamenian example in mind when stating certain rules to be observed in the construction of globes seems probable, since he makes mention of Cratesa€™ globe. Therefore, reconstructions are used here only to illustrate the general geographic concepts of the period in which the lost original map was made. It was said that as the Archangel Gabriel appeared to Zacharias in the holy of holies, Zacharias must have been High Priest and have lived in Jerusalem; John the Baptist would then have been born in Jerusalem. I have not been able to find any such evidence or artifacts of map making that originated in the South America or Australia.
This is described in an inscription in the Temple of Der-el-Bahri where the ship used for this journey is delineated, but there is no map. It is of marble, and is thought by some to date from the time of Eudoxus, that is, three hundred years before the Christian era. The Venerable Bede, Pope Sylvester I, the Emperor Frederick II, and King Alfonso of Castile, not to name many others of perhaps lesser significance, displayed an interest in globes and making. See the sketch below of an inverted Chaldean boat transformed into a terrestrial globe, which will give an idea of the possible appearance of early globes.
Indeed, wherever we look round the margin of the circumfluent ocean for an appropriate entrance to Hades and Tartaros, we find it, whether in Japan, Iceland, the Azores, or Cape Verde Islands.
Terrestrial maps and celestial globes were widely used as instruments of teaching and research. Despite what may appear to be reasonable continuity of some aspects of cartographic thought and practice, in this particular era scholars must extrapolate over large gaps to arrive at their conclusions.
By the beginning of the Hellenistic Period there had been developed not only the various celestial globes, but also systems of concentric spheres, together with maps of the inhabited world that fostered a scientific curiosity about fundamental cartographic questions.
The library not only accumulated the greatest collection of books available anywhere in the Hellenistic Period but, together with the museum, likewise founded by Ptolemy II, also constituted a meeting place for the scholars of three continents.
From there, some authors believe, he made an Arctic voyage to Thule [probably Iceland] after which he penetrated the Baltic.
Intellectual life moved to more energetic centers such as Pergamum, Rhodes, and above all Rome, but this promoted the diffusion and development of Greek knowledge about maps rather than its extinction.
The main texts, whether surviving or whether lost and known only through later writers, were strongly revisionist in their line of argument, so that the historian of cartography has to isolate the substantial challenge to earlier theories and frequently their reformulation of new maps.
There is a case, accordingly, for treating them as a history of one already unified stream of thought and practice. With translation of the text of the Geography into Latin in the early 15th century, however, the influence of Ptolemy was to structure European cartography directly for over a century.
It would be wrong to over emphasize, as so much of the topographical literature has tended to do, a catalog of Ptolemya€™s a€?errorsa€?: what is vital for the cartographic historian is that his texts were the carriers of the idea of celestial and terrestrial mapping long after the factual content of the coordinates had been made obsolete through new discoveries and exploration. Similarly, in the towns, although only the Forma Urbis Romae is known to us in detail, large-scale maps were recognized as practical tools recording the lines of public utilities such as aqueducts, displaying the size and shape of imperial and religious buildings, and indicating the layout of streets and private property. But the transmission of Ptolemya€™s Geography to the West came about first through reconstruction by Byzantine scholars and only second through its translation into Latin (1406) and its diffusion in Florence and elsewhere. But as the dichotomy increased between the use of Greek in the East and Latin in the West, the particular role of Byzantine scholars in perpetuating Greek texts of cartographic interest becomes clearer.
Forested areas marked on the map also tallies with the distribution of various plants and the natural environment in the area today. Many of the earlier treatises that touch upon maps are known to us only through Strabo, while the interest of his commentary on these writers is in its critical handling of their theories, albeit he sometimes fails to advance truth by this process. Strabo repeats that the river Nile was described by Eratosthenes as a reversed N, and that its mouth was named after the Greek capital letter delta. Perhaps because he is drawing on an account at second hand, he is afraid to support what may have seemed like science fiction. To him the most northerly inhabited area was Ierne [Ireland], itself a€?only wretchedly inhabitable because of the cold, to such an extent that regions beyond it are regarded as uninhabitablea€?. Let the equator be conceived as a circle on it, and let a second circle be conceived parallel to it, delimiting the frigid zone in the northern hemisphere, and through the poles a circle cutting these at right angles.
The eye is also delighted with groves and gardens, which for this district are met with in the highest perfection.
Formerly they exported large quantities of garments, but they now send the un-manufactured wool remarkable for its beauty. Strabo alone among ancient writers, so far as we at present know, treats of terrestrial globes, practically such as we find in use at the present day. No one person or area of study is capable of embracing the whole field; and cartographers, like workers in other activities, have become more and more specialized with the advantages and disadvantages which this inevitably brings. Nevertheless, reconstructions of maps which are known to have existed, and which have been made a long time after the missing originals, can be of great interest and utility to scholars. It has been shown how these could have appealed to the imagination not only of an educated minority, for whom they sometimes became the subject of careful scholarly commentary, but also of a wider Greek public that was already learning to think about the world in a physical and social sense through the medium of maps. The relative smallness of the inhabited world, for example, later to be proved by Eratosthenes, had already been dimly envisaged.
The confirmation of the sources of tin (in the ancient Cassiterides or Tin Islands) and amber (in the Baltic) was of primary interest to him, together with new trade routes for these commodities. Indeed, we can see how the conditions of Roman expansion positively favored the growth and applications of cartography in both a theoretical and a practical sense. The context shows that he must be talking about a map, since he makes the philosopher among his group start with Eratosthenesa€™ division of the world into North and South. Here, however, though such a unity existed, the discussion is focused primarily on the cartographic contributions of Ptolemy, writing in Greek within the institutions of Roman society. In the history of the transmission of cartographic ideas it is indeed his work, straddling the European Middle Ages, that provides the strongest link in the chain between the knowledge of mapping in the ancient and early modem worlds.
Finally, the interpretation of modem scholars has progressively come down on the side of the opinion that Ptolemy or a contemporary probably did make at least some of the maps so clearly specified in his texts.
Some types of Roman maps had come to possess standard formats as well as regular scales and established conventions for depicting ground detail. In the case of the sea charts of the Mediterranean, it is still unresolved whether the earliest portolan [nautical] charts of the 13th century had a classical antecedent. Byzantine institutions, particularly as they developed in Constantinople, facilitated the flow of cartographic knowledge both to and from Western Europe and to the Arab world and beyond. Some surface units plug into a receptacle mounted under the cooktop, which makes them more easily removable for cleaning, but also more susceptible to burned connections.
He does not deal extensively with Hanno the Carthaginian, instead spending much effort on questioning the explorations of Eudoxus of Cyzicus, who must have added to the accumulation of knowledge about the remote parts of Africa.
Straboa€™s own view is that there were two groups of Ethiopians, one living in Asia and one in Africa; and that Homer thought likewise, though not to the extent of placing the eastern group in India, of which he had no knowledge. Likewise, if one were to go not more than 4,000 stades [500 Roman miles] north from the center of Britain, one would find an area near Ireland, which like the latter would be barely inhabitable. For fifty miles the river is navigable for ships of considerable size, but for the cities higher up smaller vessels are employed, and thence to Cordova river-boats.
He thought that a globe to be serviceable should be of large size, and his reasoning can readily be understood, for what at that time was really known of the eartha€™s surface was small indeed in comparison with what was unknown.
The possibilities include those for which specific information is available to the compiler and those that are described or merely referred to in the literature. Some saw in the a€?hill countrya€™ Hebron, a place that had for a long time been a leading Levitical city, while others held that Juda was the Levitical city concerned. The fact that King Sargon of Akkad was making military expeditions westwards from about 2,330 B.C.
The whole northern region, of sea as he supposed it, from west to east, was known to him only by Phoenician reports.
If a literal interpretation was followed, the cartographic image of the inhabited world, like that of the universe as a whole, was often misleading; it could create confusion or it could help establish and perpetuate false ideas. It had been the subject of comment by Plato, while Aristotle had quoted a figure for the circumference of the earth from a€?the mathematiciansa€? at 400,000 stades; he does not explain how he arrived at this figure, which may have been Eudoxusa€™ estimate. It would appear from what is known about Pytheasa€™ journeys and interests that he may have undertaken his voyage to the northern seas partly in order to verify what geometry (or experiments with three dimensional models) have taught him.
Not only had the known world been extended considerably through the Roman conquests - so that new empirical knowledge had to be adjusted to existing theories and maps - but Roman society offered a new educational market for the cartographic knowledge codified by the Greeks. Ptolemy owed much to Roman sources of information and to the extension of geographical knowledge under this growing empire: yet he represents a culmination as well as a final synthesis of the scientific tradition in Greek cartography that has been highlighted in this introduction. Yet it is perhaps in the importance accorded the map as a permanent record of ownership or rights over property, whether held by the state or by individuals, that Roman large-scale mapping most clearly anticipated the modern world.
If they had, one would suppose it to be a map connected with the periploi [sea itineraries]. Our sources point to only a few late glimpses of these transfers, as when Planudes took the lead in Ptolemaic research, for example.
However, this idea of eastern Ethiopians living in some area of India and resembling Indians in appearance and customs persisted throughout antiquity.
These are not constructed of planks pined together, but they were formerly made out of a single trunk. There is a superabundance of cattle and a great variety of game, while on the other hand there are certain little hares which burrow in the ground (rabbits). Should one not make use of a sphere of large dimensions, the habitable regions, in comparison with the eartha€™s entire surface, would occupy but small space. Viewed in its development through time, the map is a sensitive indicator of the changing thought of man, and few of these works seem to reflect such an excellent mirror of culture and civilization. Of a different order, but also of interest, are those maps made in comparatively recent times that are designed to illustrate the geographical ideas of a particular person or group in the past but are suggested by no known maps.
Many solutions to this problem were put forward, but it was solved once and for all by the Madaba map, which showed, between Jerusalem and Hebron, a place called Beth Zachari: the house of Zacharias. The paucity of evidence of clearly defined representations of constellations in rock art, which should be easily recognized, seems strange in view of the association of celestial features with religious or cosmological beliefs, though it is understandable if stars were used only for practical matters such as navigation or as the agricultural calendar. The celestial globe had reinforced the belief in a spherical and finite universe such as Aristotle had described; the drawing of a circular horizon, however, from a point of observation, might have perpetuated the idea that the inhabited world was circular, as might also the drawing of a sphere on a flat surface.
Aristotle also believed that only the ocean prevented a passage around the world westward from the Straits of Gibraltar to India.
The result was that his observations served not merely to extend geographical knowledge about the places he had visited, but also to lay the foundation for the scientific use of parallels of latitude in the compilation of maps.
Many influential Romans both in the Republic and in the early Empire, from emperors downward, were enthusiastic Philhellenes and were patrons of Greek philosophers and scholars. In this respect, Rome had provided a model for the use of maps that was not to be fully exploited in many parts of the world until the 18th and 19th centuries. But in order to reach an understanding of the historical processes involved in the period, we must examine the broader channels for Christian, humanistic, and scientific ideas rather than a single map, or even the whole corpus of Byzantine cartography. A chain of mountains, rich in metal, runs parallel to the Guadalquivir, approaching the river, sometimes more, sometimes less, toward the north. The maps of early man, which pre-date other forms of written communication, were attempts to depict earth distributions graphically in order to better visualize them; like those of primitive peoples, the earliest maps served specific functional or practical needs. Excavations on this site revealed the foundations of a little church, with a fragment of a mosaic that contained the name a€?Zachariasa€?. What is certainly different is the place and prominence of maps in prehistoric times as compared with historical times, an aspect associated with much wider issues of the social organization, values, and philosophies of two very different types of cultures, the oral and the literate. Later we encounter itineraries, referring either to military or to trading expeditions and provide an indication of the extent of Babylonian geographical knowledge at an early date. Another of a land, also in the north, where a man, who could dispense with sleep, might earn double wages, as there was hardly any night. There was, however, evidently no consensus between cartographic theorists, and there seems in particular to have been a gap between the acceptance of the most advanced scientific theories and their translation into map form. Viewed in this context, some of the essential cartographic impulses of the 15th century Renaissance in Italy are seen to have been already active in late Byzantine society. Surprisingly, though, it seems not to have been read in Rome in the first century, judging from the fact that it is not even mentioned by the elder Pliny. Whoever would represent the real earth, he says, as near as possible by artificial means, should make a sphere like that of Crates, and upon this draw the quadrilateral within which his chart of geography is to be placed. Maps were also frequently used purely for decoration; they furnished designs for Gobelins tapestries, were engraved on goblets of gold and silver, tables, and jewel-caskets, and used in frescoes, mosaics, etc. They do not go so far as to record distances, but they do mention the number of nights spent at each place, and sometimes include notes or drawings of localities passed through.
He probably had the first account from some sailor who had visited the northern latitudes in summer; and the second from one who had done the like in winter.
The influence of these views on Chinese cartography, however, remained slight, for it revolved around the basic plan of a quantitative rectangular grid, taking no account of the curvature of the eartha€™s surface. It is said that formerly the inhabitants of Majorca and Minorca sent a deputation to the Romans requesting that a new land might be given them, as they were quite driven out of their country by these animals, being no longer able to stand against their vast multitudes. For this purpose however a large globe is necessary since the section mentioned, though but a very small portion of the entire sphere, must be capable of containing properly all the regions of the habitable earth and of presenting an accurate view of them to those ho wish to consult it. It was not until the 18th century, however, that maps were gradually stripped of their artistic decoration and transformed into plain, specialist sources of information based upon measurement.
As in Greek and Roman inscriptions, some documents record the boundaries of countries or cities.
At the same time Chinese geography was always thoroughly naturalistic, as witness the passage about rivers and mountains from the LA? Shih Chhun Chhiu.
Then the bimetal cools (along with the elements) until the contacts close again. There are also fixed-temperature switches that vary the voltage going to the heating elements to maintain fixed, pre-set temperatures.
But it should have a diameter of not less than ten feet; those who cannot obtain a globe of this size, or one nearly as large, had better draw their charts on a plane surface of not less than seven feet.
The steel sheath is semi-porous; cleaning solvents can penetrate the steel and damage the ceramic insulation or electrically short the element. They feed on the fruit, of stunted oak, which grows at the bottom of the sea and produces very large acorns. We can easily imagine how the eye can transfer the figure and extent (of these lines) from a plane surface to he that is spherical.
So great is the quantity of fruit, that at the season when they are ripe the whole coast on either side of the Pillars is covered with acorns thrown up by the tides.
The meridians of each country on the globe have a tendency to unite in a single point at the poles; nevertheless on the surface of a plane map there would be no advantage if the right lines alone which should represent the meridians were drawn slightly to converge. The tunny fish become gradually thinner, owing to the failure of their food as they approach the Pillars from the outer sea. If there is any carbon or other crusty residue left after that, just scrape it off as best you can. The exception to this is the solid, or "euro-style" surface units. Knowing what's operating and what isn't, in conjunction with a wiring diagram, can point you towards the failed component. In a moment, we'll talk about the general steps to follow.
DO NOT TEST LIVE 220 VOLT CIRCUITS. Unless you are dealing with an obvious, simple repair like a burned element, isolating the problem in a 220 volt cooking circuit basically boils down to shutting off the power, testing each component for continuity, and looking for burned or chafed wires.
Electric oven or cooktop repairs can be broken down into 3 categories:4-3 (a) ONE ELEMENT NOT HEATINGIn surface units, this is usually caused by a burned out element, terminal, or receptacle. Turn the breaker off or pull the fuse, and inspect the element, terminals and receptacle. Most receptacles are mounted to the cooktop by one or two screws. Some receptacles can be disassembled as shown in figure 4-D to inspect and replace the internal terminals. Usually the burned or melted area of terminals or elements will be visible, but test for continuity, even if it appears to be OK. If those are OK, the break is usually where the wire attaches to the element, inside the back wall of the oven.
Turn the breaker off or pull the fuse, remove the screws holding the element into the oven, and pull the element away from the back wall a little. There is a little bit of extra wire in there to allow you to access it from the front, but do not pull out any more wire than you need to work on it. If the wire is broken or burnt completely off the terminal, you may be able to fish the wire out of the hole with needlenose pliers, as long as the power is off. If there is a burn in the element, usually it will be visible, but test the element for continuity, even if it appears to be OK.
Keep in mind that if one leg of the circuit is out due to a house wiring problem, you might have 110 volts but not 220. It also means you still have power, and you can still get zapped. If you're sure you have no power, we need to figure out if the problem is in the house wiring or inside the oven or cooktop. Next we need to test for power where it enters the oven. This can sometimes present a problem. If this is the case, turn the breaker off or pull the fuse, pull the oven or range away from the wall, pull the plug out of the wall, turn the breaker back on, and test the wall outlet as described in chapter 2. Then remove power again at the breaker or fuse. If power is not getting to the terminal block, the problem is in your house wiring. During the 70's some houses were built with aluminum wiring, which is notorious for not being able to handle oven currents. Find your wiring diagram, isolate the problem and repair as described in section 4-3(c). 4-3 (c) COMPONENT PROBLEMSOne fairly common failure with confusing symptoms occurs when an infinite switch or a fixed-temperature switch shorts internally to ground. If this occurs, replace the defective switch. Let's say that you have power to the surface units but none to either the bake or broil element. The wiring diagram can be very complex and difficult to follow, but the general objective is to trace the malfunctioning circuit as described in section 2-5, find the components in it and check them for continuity. During the 70's some houses were built with aluminum wiring, which is notorious for not being able to handle oven currents.



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