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Knight's Mechanical Encyclopedia (ed. Knight) 4 0 Browse Search
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power, which is 1, and, the strands connecting the pulleys being 6, the statement of the power to the load is 1 to 6, in the example shown; the rope traveling 6 feet for every foot gained in the raising of the lower block and its load. The Spanish Barton (h i) has two cords and two running blocks and one standing block. See Barton. Pulleys are susceptible of many other combinations, by increasing the number and varying the points of attachment to the load or to the support. See Brown's ment. s, screw-pulley. t, frame-pulley. u, side pulley. v, well-pulley for dumb-waiters, etc. Specific names are given to pulleys, according to place, purpose, material, construction. See — Anti-friction pulley.Loose pulley. Barton.Pulley-block. Belting.Pulley clutch or tongs. Block (varieties, see block).Pulley-sheave. Block and tackle.Pulley-stand. Bull's eye.Pulley suspension-hook. Chain-pulley.Pulley-wheel. Click-pulley.Rigger. Clutch-pulley.Runner Cone-pulley.S