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Soon the kings who ruled these early cities desired houses larger and more comfortable than the huts of stone , clay , and reeds wherein they had been living . So they called upon architects to build them palaces .
Corbelling is laying courses or layers of stone or brick so that each course overhangs the one below . ... shaped to match the inner surface of the arch or vault , which holds up the stones or bricks during construction .
Instead , they laid a layer of it either between wooden forms or between facings of stone or brick already assembled . ... walls became essentially masses of concrete , in whose surfaces stones or bricks had been inserted .
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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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