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Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices"; (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing company · leaf 31

An illustration from Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices";, 1917, leaf 31
18. GEARED I BEAML TROLLEY. Designed for mov-11 ing heavy articles on overhead I|F beam railways in factories. Thetrolley wheels are geared to a driv-ing shaft with sprocket wheel andchain, the lift being an ordinarytackle, not shown. … 19. VARIABLE POWER AND SPEED with friction cone pulleys andtraversing pulley as applied to a drillingmachine. The transmitting roller ispivoted in a frame that slides on a sidebar and is clamped by a screw at theposition required for the desired speed.See No. 106, 1st vol., for a frictionlessform…

Mechanical movements

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