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parting motion to the pulley f through two small change pulleys, one of which is seen at g. In another machine intended for heading caster and hinge pintles, etc., the spring-hammers strike the opposite ends of the pintles simultaneously. The working parts are adjustable to suit rivets of varying lengths. Machine for riveting hinges. Fig. 4353 is a machine for riveting hinges. Peculiarly shaped revolving milling-tools spread the pintle when forced against it, and form the head. McKay and Macgeorge's hydraulic riveter is operated by water from an accumulator under a pressure of 700 pounds to the inch; water is admitted to a small cylinder, causing the dies to close upon the rivet, when self-acting valves admit the water to the large cylinder, which compresses the plates together and finishes the riveting. After allowing the rivet a moment to cool, the handle operating the valves is reversed, when the jaws unclose. Hydraulic riveting-machine. Riv′et-ing-set. A p
DrewJune 30, 1863. 40,484HydeNov. 3, 1863. 41,050BanisterJan. 5, 1864. 43,077McKay et al.June 7, 1864. 43,209HolbrookJune 21, 1864. (Reissue.)1,831HolbrookDke, R.July 6, 1858. 31,203BallouJan. 22, 1861. 33,677DrewNov. 5, 1861. 36,163McKay et al.Aug. 12, 1862. 40,212HoldenOct. 6, 1863. 42,622McKay et al.May 3, 1864.McKay et al.May 3, 1864. 4. (b.) Straight Needle. (continued). No.Name.Date. 42,916McKay et al.May 24, 1864. 45,422McKay et al.Dec. 31, 1864. 59,265RichardsonOct. 30, 1866. 63,607BMcKay et al.May 24, 1864. 45,422McKay et al.Dec. 31, 1864. 59,265RichardsonOct. 30, 1866. 63,607BrownApr. 8, 1867. (Reissue.)2,578DrewApr. 30, 1867. (Reissue.)2,579DrewApr. 30, 1867. (Reissue.)2,580DrewApr. 30, 1867. (Reissue.)2,906BallouMar.McKay et al.Dec. 31, 1864. 59,265RichardsonOct. 30, 1866. 63,607BrownApr. 8, 1867. (Reissue.)2,578DrewApr. 30, 1867. (Reissue.)2,579DrewApr. 30, 1867. (Reissue.)2,580DrewApr. 30, 1867. (Reissue.)2,906BallouMar. 31, 1868. 89,357SwartwoutApr. 27, 1869. 90,507CrosbyMay 25, 1869. 94,134RichardsonAug. 24, 1869. 94,976Reeve et al.Sept. 21, 1869. 97,518KeithDec. 7, 1869. 97ed at the end of the horn, and through which there is an opening for the pas- McKay shoe-sewing machine. sage of the needle. A shoe is placed on the horn, as sh
uid by contraction of the bulb, and is ejected from the nozzle, whose pipe communicates with the space above the liquid. Va′por-izing-stove. One for furnishing steam to dampen the air of apartments, conservatories, etc. It has usually a gas, oil, or alcohol lamp beneath a pan of water. Va′por-lamp. See vapor-burner. Va′ri-a-ble cut-off. One actuated from the governor, so as to be brought into action according to the load on the engine. See cut-off. Vapor-inhaler. In McKay's (Fig. 6904), the usual right and left hand screw for spreading or approaching the two sections of the cut-off are dispensed with. a is the steam-valve; the stem of each part b c of the cut-off passes through the other part and through a stuffing-box at each end of the steam-chest, and the end of each stem is connected by a rod d e to the pivoted lever f, itself connected by a rod g to the eccentric; by this the requisite throw is produced. The two parts are of box form, or hollow on thei<