l gauge for indi: ranged a chest, E, with the hot air valves, ¢ and &, of which of the shot in the latter is covered by the plate, A, which is cating pressure in hydraulic cylinders. It consists of a solid the air-supply valve, e, connects by a channel, D, with the pivoted, and the movement of… … also connected by a crank pin and rod, m, with a cam shaft, is a tube, B, inside of which, at the outer end, isa flange. m'’, that bears alternately the spring-acted top plates of the piston of small area, whose outward motion is opposed by a This tube, when the plate, A, is placed as shown in Fig.…
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