. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. 671. 672. 670. SWING MOTOR. A wheelhas a hub with two sets of ratchet teethstanding in opposite directions, asshown, collars fitting loosely on the hubover the ratchet teeth, and pawls ful-crumed on the collars to engage theteeth, while a lever mounted to swingon a st
. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. 671. 672. 670. SWING MOTOR. A wheelhas a hub with two sets of ratchet teethstanding in opposite directions, asshown, collars fitting loosely on the hubover the ratchet teeth, and pawls ful-crumed on the collars to engage theteeth, while a lever mounted to swingon a stud is connected by belts to armsextending outward from the wheel with its hub is held inplace on the shaft by a washer,which also serves to hold the collarsin place. Section showing ratchet and pawl for forward motion. Section of ratchet and pawl set for backward 673. AMMONIA COMPRESS-OR. Two strokes of a single-actingpiston to each revolution of the crankby the double-acting toggle. In thisdesign, the action of the toggle com-pensates the difference of pressurein the steam and ammonia Refrigerator Co. type. 674. AMMONIA COM-PRESSOR. Illustrates theT, crank movement for op-erating a duplex compressorwith single-acting are overhead withwater jackets. 256 MOTION AND CONTROLLING DEVICES, ETC. 675. COIN-IN-THE-SLOT GAS METER. A coin dropped inthe slot falls on the lever L, and by depressing it locks the outside handle to the plug of the gascock. The opening ofthe cock by the handlesets a springand windsup a small clock move-ment, setting it in mo-tion. A small cam, C,is set in motion againstthe lever D, and re-leases the weight H,which has been liftedby the sector S andclock train at the mo-ment when the meas-ure of gas allowanceis made. 676. Part of the clock train, releasing lever and driving weight. 677. Slot
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