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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 372

An illustration from An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth, 1888, leaf 372
t a distance of half an inch ; and the screw turns a toothedwheel E whose pinion L acts in turning upon another wheel F, and the pinion M of thislast wheel acts upon a third wheel G, to the pinion or barrel whereof is hung the weiglit W.If we would know what weight can be raised through the means… … 3j. THEORY OF ARCHITECTURE. Book IL

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