The Ancient Engineers |
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Página 100
... iron- soft , malleable , and hard to melt - contains very little car- bon , usually less than 0.1 per cent . On the other hand , cast iron - hard , brittle , and easy to melt - contains 2.0 to 4.0 per cent of carbon . Steel , with an ...
... iron- soft , malleable , and hard to melt - contains very little car- bon , usually less than 0.1 per cent . On the other hand , cast iron - hard , brittle , and easy to melt - contains 2.0 to 4.0 per cent of carbon . Steel , with an ...
Página 353
... iron also advanced by great strides . Furnaces became larger , more permanent , and more carefully engineered ... iron because the sulfur and phosphorus in the coal would damage the iron . Men had not yet learned how to turn coal into ...
... iron also advanced by great strides . Furnaces became larger , more permanent , and more carefully engineered ... iron because the sulfur and phosphorus in the coal would damage the iron . Men had not yet learned how to turn coal into ...
Página 354
... iron made . However , the larger quantities of iron produced in me- dieval furnaces and the new flexibility of methods of smelting and refining meant that iron became much commoner and cheaper than it ever had been . Little by little , iron ...
... iron made . However , the larger quantities of iron produced in me- dieval furnaces and the new flexibility of methods of smelting and refining meant that iron became much commoner and cheaper than it ever had been . Little by little , iron ...
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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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