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As yet, nothing had been constructed in finished stone. From about 650 on, the
Greeks began to visit Egypt Influence regularly, and their observation of the
monumental stone of buildings there was the genesis of the ultimate develop-
courses as headers (stone or brick laid with its end toward the face of the wall)
and stretchers (stone or brick laid with its length parallel to the face of the wall).
This type of masonry was called opus quadratum. Concrete walls, except below ...
Information about Stone Age crafted weapons is scanty because the wooden
portion did not survive. Since axes became unwieldly as handle length increased
, and spears with stone heads could not be effective if shafts were too long, trial
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LibraryThing ReviewUser Review - keylawk - LibraryThing
This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review