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In the West , cast iron , though known in classical times , never became easy to make until im- proved furnaces , either derived from China or invented independently , appeared in medieval Europe , and it never became really cheap and ...
Although he was twice married , he said that men have more teeth than women ; it never occurred to him to ask either of his wives to open her mouth for a count . In the physical sciences , Aristotle was much less successful .
Either Leonardo's plans were too grandiose and hence could never be realized , or Leonardo himself lost interest before the end . He was a man of the type who sometimes appears among modern scientists , driving laboratory directors mad ...
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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
Two The Egyptian Engineers
Three The Mesopotamian Engineers
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