The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 465
barrel—then when a man turns round the handle k, by means of thepinion fixed on the handle shaft, and the barrel wheel denoted by thecircle n; the barrel / is turned round, and the chain, or rope, or wireis coiled round the barrel, the wire drawn in, and the crank F made tooccupy the place shown by…
Architecture · Civil engineering · Science
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