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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
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… … 20. WORM GEARELEVATOR. Spraguetype. The double wormand gear serves the pur-pose of balancing thethrust of the driving shaftand is also a means ofsafety from breakage ofteeth. The wear on theworms and gear is alsomuch lessened by theirduplication. TRANSMISSION OF POWER. 2/ 21. CASH CARRIER. To the…

Mechanical movements

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