. 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. e-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, cran
. 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. e-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 passage to coin lever, handle and winding ® _ _ ® ^ —^—. L ^ 0 ® 678. SPIRAL FLUTING LATHE. The baluster is fed endwaysagainst a lateral tool, being rotated on its axis at such a rate as shall im-part the number of turns or part of aturn to the foot in length. Of thiskind is A, in which the piece a to becut is moved longitudinally throughthe holder h, and at the same time isrotated so that the tool c in its revolu-tions may cut the spiral groove shownat a. 679. B is a fluting lathe in whicha pair of cutters revolve in a planeoblique with the line of motion of thebaluster. The latter is moved longi-tudinally by the rack and pinion e g,and rotated by the wheel and piniorhi; the cutters m m rotat
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Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910
