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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 the pillar , the pointer could be ...
The Antikythera machine turned out to be an astronomical computer . In its original form it was a wooden box a little over a foot high , looking something like a large eighteenth - century table clock . In front , a hinged bronze plate ...
The Pantheon was damaged by fire in the reign of Titus , repaired by Domitian , damaged by fire under Trajan , drastically rebuilt by Hadrian in the + 120s , further repaired by Septimius Severus and Caracalla , turned into a Christian ...
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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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