The Ancient EngineersDoubleday, 1963 - 408 páginas This book is about those whose genius enabled the Egyptians to build their pyramids, the Phoenicians to cross stormy seas, the Romans to erect magnificent public buildings--that this carefully researched and fascinatingly written account of the advance of early technology has been written.Mr. de Camp describes the methods used by early irrigators, architects, and military engineers to build and maintain structures to serve their rulers' wants. He tells, for example, how the Pharaohs erected obelisks and pyramids, how Nebuchadnezzar fortified Babylon, how Dionysios' ordnance department invented the catapult, how the Chinese built the Great Wall, and how the Romans fashioned their roads, baths, sewers, and aqueducts. He recounts many intriguing anecdotes: an Assyrian king putting up no-parking signs in Nineveh; Plato inventing a water clock with an alarm to signal the start of his classes; Heron of Alexandria designing a coin-operated holy-water fountain; a Chinese emperor composing a poem to be inscribed on a clock invented by one of his civil servants. |
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Resultados 1-3 de 52
Página 146
... wheel . In some of his designs , the wheel merely forms part of one of his magical displays of twittering birds . One little overshot wheel powers a copper holy wheel , like that mentioned by Aristotle- Straton . Only , instead of the ...
... wheel . In some of his designs , the wheel merely forms part of one of his magical displays of twittering birds . One little overshot wheel powers a copper holy wheel , like that mentioned by Aristotle- Straton . Only , instead of the ...
Página 230
... Wheel and shaft of a me- dieval horizontal water wheel found at Drumtullogh , Ireland ( from the Ulster Journal of Archaeology , 1856 , No. 6 ) . In another form of mill , the stream works an ordinary paddle wheel of the noria type ...
... Wheel and shaft of a me- dieval horizontal water wheel found at Drumtullogh , Ireland ( from the Ulster Journal of Archaeology , 1856 , No. 6 ) . In another form of mill , the stream works an ordinary paddle wheel of the noria type ...
Página 232
... wheel of the noria type , like that used in the Vitruvian mill , is called an undershot wheel . Although inefficient , it is useful where the stream is large but sluggish . A more efficient water wheel is the overshot wheel , where ...
... wheel of the noria type , like that used in the Vitruvian mill , is called an undershot wheel . Although inefficient , it is useful where the stream is large but sluggish . A more efficient water wheel is the overshot wheel , where ...
Contenido
One The Coming of the Engineers | 13 |
Two The Egyptian Engineers | 28 |
Three The Mesopotamian Engineers | 53 |
Derechos de autor | |
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Términos y frases comunes
Agrippa Alexandria ancient aqueducts Arabic arch Archimedes architect Aristotle armor army Assyrian Athens Babylon became began brick bridge bronze builders building built Byzantine called canal castle catapult centuries China Chinese civilization classical columns conquered Demetrios dome early Egypt Egyptian emperor Empire engineering Europe feet fire Frontinus galleys gear Greece Greek Hadrian harbor Hellenistic Hence Herodotos Heron Heron of Alexandria High Middle Ages horse houses Imhotep India invention iron irrigation kings Ktesibios Lake land later Leonardo machine mechanical medieval Mediterranean Mesopotamia Mesopotamian Middle Ages miles mill modern Mongols mounted Muslim oars palaces Persian Philon Philon of Byzantium Phoenicians piers pipes Plinius probably pyramid river roads Roman Rome roof rowers sail Sennacherib shaft ships side siege statue stone structure temple took tower Trajan treadwheel tunnel turned vault vessel Vitruvius wall water clock water wheel wind wooden