An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth (1888)
Gwilt, Joseph, 1784-1863, Papworth, Wyatt Angelicus Van Sandau, 1822-1894 · London Longmans, Green · leaf 405
15 - 106=4-4, which gives wL = f>-2, which multiplied by 1 foot, or double the tiiicknessof the keystone, will give 6-2, the square foot of whicli is 2*49, or a trifle under 2 It. 6 in.,instead of 2 ft. 8 in. and 9 lines, marked in the tables. This measure of 2^*^^ ft., or 2 ft. 6 in., is to be…
Architecture · Architects
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