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 188
G Or at feme Diftance from it,as the \Yeight D hung on the c p o Point C, by Means of the ChordD C and that right Line in whicha Power or heavy Body endea-vours to move in, is calld theLine ofDir<?(5lion of that Body :So C 1 is the line of Diref^ionof the Body D, and A Z of theWeight L … The real Application of a\PoZver to a Lever is that An-gle, which is conilituted by a^Lever and Line of TiireAionat their Point of meeting: thusthe Angle ABE conllituted by the line of Direaion E Band the Lever A B is the Ap-plication of the Power E: Soiikewife are the Angles A BFand A B G…
Architecture · Building
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