The builder's dictionary, or, Gentleman and architect's companion : explaining not only the terms of art in all the several parts of architecture, but also containing the theory and practice of the various branches thereof ... : also necessary problems in arithmetic, geometry, mechanics, perspective, hydraulics, and other mathematical sciences : together with the quantities proportions, and prices of all kinds of materials used in building ... (1734)
Toms, W. H. (William Henry), ca. 1700-ca. 1750, Devoto, John, fl. 1719-1752 · London : Printed for A. Bettesworth and C. Hitch ..., and S. Austen ... · leaf 63
Centre of the Ba-lance ; and the Places where theWeights arc applied, the Jointsof Siifpcnjion, or Application. In the Roman Balance, there-fore, the Weight ufed for a Coun-ter Balance is the fame ; but thePoints of Application various :In the common Balance, theCounter-Poife is various, and… … of the firft Kind, which (in-(fead of reding on a Fulcrumat C, the Centre of its Mo-tion,) is fufpended by fome-thing falkned to C its Cen- tre J5 A 15 J\ trc of Motion. Hence the Me-chanifm of the Balance dependson the fame Theorem as that ofthe Lever. See the Figure. Wherefore as the known…
Architecture · Building
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