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 370
And in «•• the same proportion is the velocity of W slower than that of P. Thus, if each wheeli)e to its axle as 10 to 1, then P : W;;! : 10-, or as 1 to 1000. Hence a power of onepound will balance a weight of 1000 pounds; but when j)ut in motion, the power willmove 1000 times faster than the… … OF THE rULLEY. 1315. A ])ulley ia a small wheel, usually made of wood or brass, turning about a metalaxis, and enclosed in a frame, or case, called its block, which admits of a rope to pass freelvover the circumference of the pvdley, wherein there is usually a concave groove to preventthe rope…
Architecture · Architects
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