4th, The combination of the transverse shaft, v, sliding bar, s, hook, r, pins, o, block, n, and dropping cylinders, k, substantially as described.
5th, The combination of the crank, w, arm, x a', spring, b, and sliding bar, s, arranged and operating as set forth.
6th, The combination of the lever, a", shaft, v, pinion, e', and spring, e"', when used independently, or in connection with the frame, B, substantially as and for the purpose described.
71,933.--BED BOTTOM.--David S. Williams, Coldwater, Mich.
I claim the combination of the loop, A, rods, B, spring band, C, rods, D, webbing, E, slats, F, wires or equivalent, G, in the manner described.
71,934.--INSTRUMENT FOR ADMINISTRATION OF ANÆSTHETICS.--Osborn Wilson, Aurora, Ill.
I claim, 1st, The construction of an instrument with inhaling and exhaling tubes, provided with valves, working automatically and alternately in opening and closing the tubes by the respiration of the patient, substantially in the manner and for the purposes as herein specified.
2d, Providing the instrument with a spring valve and air tube for regulating the administration of nitrous oxide and other anæsthetics, substantially in the manner and for the purposes as herein specified.
3d, The construction and arrangement of stock, A, mouth piece, B, inhaling and exhaling tubes, C' C, plate, D, air tube, E', valve, E, spiral spring, b, valves, c c, rods, d d, fulcra, e e, arm, f, and rod, g, substantially in the manner and for the purposes as herein specified.
71,935.--CIDER MILL AND PRESS.--Martin Winger, Ephrata, Pa.