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
dcriwi is to the Bodyor Weight, the leffer Pov/er itrequires to equipoife the flmK^,and confequently the lefler toraife the fame; or otherwifethe flirther the power is diftantfrom the Fulcrum, the moreForce it will proportionably have. But here it is to be obfervd,that when by moving the Ful-crim… … But if the W^eight or Boc^ Ibe movd nearer to k as at /,whereby a leffer Power willraife it, than when the End ofthe Lever / is deprefsd, asbefore to m, the Body h willbe raisd no higher than b onthe horizontal Line e f. And again, had the Body /been placd av ;/, it could jbe raisd higher than m,…
Architecture · Building
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![An illustration from L'optique divisée en trois livres : ou, l'On démontre d'une maniere aisée tout ce qui regarde 1. la propagation & les proprietez de la lumiere. 2. La vision. 3. La figure & la disposition des verres qui servent à la perfefectionner [sic] (1682)](https://img.insideoutlibrary.com/img/200/ia-loptiquedivise00ango-108-12.webp)
