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 131
Firfty Draw the Out-Lines a by b dy d Cy and c ay atRight Angles to each other ;and afterwards draw the conju-gate Diameter e /, alfo thetranfverfe Diameter g h j thendivide a g and a e into anyKumber of ecjual Parts 3 alfo g b and b f-^ f dy and d hh c and c e y from which,draw Right Lines as… … Firfly Draw the conjugateDiameter a b , afterwardsdraw Lines e c and f d atRight Angles with a b y i^othat a c is equal at ^ ^ andh f IS equal to b d -^ thendraw the Lines c d and e /,which divide in the middle atg and hy and draw the Lineg h for the tranfverfe Diame-ter 3 then divide e hy and c{ty…
Architecture · Building
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