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 43
othe Fulcrum., as at B, 6 Feetfrom the Fulcrum A:, then itsepuipoife was C(][ual to 20Pounds. And again, when the Weightwas applyd ftill nearer to theFulcrum^ as at E, then thecquipoiie at C w^as -- 40Pounds, Q^E D. And as has been alreadyprovd in the Lever of thefir ft Kind, that v/hat is g^.ind… … KIH GIP G, placd m the middle of it.,Then I fay, that though theWeight equipoisd at C, isdouble to the Power E, yet Gis raisd but half the Height ofE,above I • that is, as the cqiu-poife G, raisd to C, is doublethe Weight of the Power K,raisd to E. So is the Space or Arch E Kthrough which the Power…
Architecture · Building
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
