The Ancient EngineersBallantine Books, 1974 - 450 páginas Traces the advancement of early invention and technology from the first recorded engineering project of early Egypt. |
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... hence -VIII means eighth century B.C. Years are treated likewise , with Arabic instead of Roman numerals ; for instance , +412 = a.d. 412 . The plus sign is , however , omitted from years after +1000 , because the meaning of the numeral ...
... hence -VIII means eighth century B.C. Years are treated likewise , with Arabic instead of Roman numerals ; for instance , +412 = a.d. 412 . The plus sign is , however , omitted from years after +1000 , because the meaning of the numeral ...
Página 148
... hence the rate of flow , varied . Still another method was to mount the pillar bearing the scale of hours so that it could be turned . Instead of a single scale , a series of scales or a graph was inscribed on the pillar . By turning ...
... hence the rate of flow , varied . Still another method was to mount the pillar bearing the scale of hours so that it could be turned . Instead of a single scale , a series of scales or a graph was inscribed on the pillar . By turning ...
Página 205
... Hence the water rushes under the bridge with augmented speed . Now , the power of moving water to carry silt , sand , grav- el , and stones varies steeply with the velocity . Hence the swift flow between the piers of a bridge scours ...
... Hence the water rushes under the bridge with augmented speed . Now , the power of moving water to carry silt , sand , grav- el , and stones varies steeply with the velocity . Hence the swift flow between the piers of a bridge scours ...
Contenido
One The Coming of the Engineers | 1 |
Two The Egyptian Engineers | 18 |
Three The Mesopotamian Engineers | 46 |
Derechos de autor | |
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Términos y frases comunes
Agrippa Alexandria ancient aqueducts Arabs arch Archimedes architect Aristotle armor army Assyrian Athens Babylon became began brick bridge bronze builders building built Byzantine called canal castle catapults centuries China Chinese civilization classical columns Demetrios dome early Egypt Egyptian emperor Empire engineering Europe feet fire Frontinus galleys gear Greek Hadrian Hellenistic Hence Herodotos Heron Heron of Alexandria High Middle Ages horse houses Imhotep India invention iron kings Ktesibios Lake land later Leonardo machine mechanical medieval Mediterranean Mesopotamia Mesopotamian Middle Ages miles mill modern Mongols Muslim Nemi ships oars palaces Persian Philon Philon of Byzantium Phoenicians piers pipes probably Ptolemaios pyramid Renaissance river roads Roman Rome roof rowers sail Sennacherib shaft ships side siege statue stone structure temple took tower Trajan treadwheel tunnel turned vault Vitruvius wall water clock water wheel wooden