The Ancient Engineers |
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Página 244
... mill or quern is very ob- scure . The earliest rotary mills may go back before -1000 , but the people who made them saw no reason to inscribe dates on them . Hellenistic and Roman rotary mills finally took the form of. Fig . 12. Cross ...
... mill or quern is very ob- scure . The earliest rotary mills may go back before -1000 , but the people who made them saw no reason to inscribe dates on them . Hellenistic and Roman rotary mills finally took the form of. Fig . 12. Cross ...
Página 250
... mills were stopped . Furthermore , Procopius ' tale of Belisarius ' floating mills is one of the very few ancient ac- counts of the actual birth of a new invention . A paddle wheel of the noria type , like that used in the Vitruvian mill ...
... mills were stopped . Furthermore , Procopius ' tale of Belisarius ' floating mills is one of the very few ancient ac- counts of the actual birth of a new invention . A paddle wheel of the noria type , like that used in the Vitruvian mill ...
Página 370
... mill , unhitching one of his sails , winding it around its boom to reduce its exposed area , and tying it fast again ... mill had to turn . They were also likely to be wrecked in gales . So the millwrights developed a mill of an- other ...
... mill , unhitching one of his sails , winding it around its boom to reduce its exposed area , and tying it fast again ... mill had to turn . They were also likely to be wrecked in gales . So the millwrights developed a mill of an- other ...
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 conquered 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