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Such a structure is called a groined vault or cross vault . Such a cross vault could roof a large square area and be supported wholly by piers or columns at the corners . Another method of roofing such an area was by means of the ...
But the Persians did not go in for temple building , as the only regular Zoroastrian sacred structure was a pair of fire altars out of doors . The Iranians built many bridges , however , of which some survive from the time of Shapur I ...
Besides these changes in structure , the methods of designing buildings also changed . The profession of architect reappeared . In the Dark Ages , buildings were planned by master masons or by monks with a taste for design .
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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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