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 41
av ;/, it could jbe raisd higher than m, on iLine 0 p^ and fo in like Man-ner of all others, QED. Hence tis plain, that thehigher the Body is raisd, thegreater Diftance It muft be fromthe Fulcrumy and confequentlythe greater Strength or Poweris requird to raife the fame. V^ hence it is evident,… … of the Power A B, or lefTcr(AS A B) than the Power B C,or equal to one another, as AB, and B C in the Ballance,Figure 9 ; fo proportionablymuft the Powers f)e applyd. Suppofe that A E is a Lever12 Foot long, that the Fulcrumbe fixd at C, 9 Feet from E,the Place where the Power isto be applyd, and…
Architecture · Building
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