I claim the hinged chisel, c, in combination with the main piece, A, rod, B, brace piece, G, and holder, D, constructed substantially as described, and for the purposes set forth.

72,051.--FIFTH WHEEL FOR CARRIAGES.--Joshua Lawrence, Palmyra, N.Y.

I claim the combination of the housings, a a, inclosing the rollers, b b, with the bows, G H, the whole conducted and arranged as described, and operating in the manner and for the purpose set forth.

72,052.--WASHING-MACHINE.--J.Q. Leffingwell, Nevada, Iowa.

I claim the combination of the semi-cylindrical box, D, segment, W, pinion

P, parts, m m', lever, H, and ribs, r, as herein described, for the purpose specified.

72,053.--DOOR-FASTENER.--Francis C. Levaliey, Warnerville, N.Y.

I claim the sliding wedge bolt, F, in combination with the sliding spring catch, K, and cases, E J, as herein described, for the purpose specified.

72,054.--CONDENSING ENGINE.--William A. Lighthall, New York city.

I claim the arrangement of the ordinary jet condenser, B, air pump, D, and hot well, E, with the surface condenser, F, and the valves, H K, and L, as shown and described, so that the change from the use of the jet condenser can be made at will, and vice versa,