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It is not even certain whether they moved heavy stones on rollers . Later engineers used rollers — for instance , Domenico Fontana moved his obelisk to St. Peter's by this means in 1586. But an Egyptian picture from the end of the ...
Demetrios moved his engines forward and attacked the wall , but the Rhodians beat back the efforts of his men to swarm through the gaps . Then the Rhodians moved all their catapults to one section of the wall and , by showering the ...
The shoreline had moved seaward , and the harbor bar was becoming a menace , either because the water over it was shallower of because the grain ships were larger . As a port , Ostia competed with the Bay of Naples and its several ...
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LibraryThing ReviewCrítica de los usuarios - PDCRead - LibraryThing
This was originally written in 1962, and is therefore is a little dated. Sprague de Camp has written a book all about the different civilisations and the technologies that that invented or acquired ... Leer comentario completo
LibraryThing ReviewCrítica de los usuarios - Schmerguls - LibraryThing
5609. The Ancient Engineers, by L. Sprague De Camp (read 21 Jan 2019) This book was first published in 1963 and hence its bibliography includes nothing after that date. It undertakes to tell of the ... Leer comentario completo
One The Coming of the Engineers
Three The Mesopotamian Engineers
Four The Greek Engineers
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