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By this time , men knew how to make pipe of bronze , lead , wood , tile , and concrete . However , the art of pipe making was still young , and the difficulty of making good pipe increases with the size . All the materials the Romans ...
The ancients used lead not only for piping but also for kitchen utensils . Furthermore , leaden vessels were used in making wine , and the stoppers on jars were sealed with a cement containing red lead . As a result , some students ...
The structure , furthermore , narrows as it rises . The gap between the foot of the banks and the bridge , which rises about 40 cubits from its base , is filled with a pouredout mass of iron slag mixed with lead . The abutments on which ...
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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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