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.

I claim, 1st, A series of press boxes, D, with perforated sides and an external cogged flange, d, all connected in the form of a wheel revolving horizontally, with its cross-arms, N, secured centrally to a vertical shaft, L, in combination with the bearing, M, and step, O, sustained on a framework, A B B', all arranged substantially in the manner and for the purpose specified.

2d, With the revolving press boxes, D, the press block and central upright, K, E, pulley, G, guides, F, arms, e, in combination with the inclined planes, H and R, all arranged and operating substantially in the manner and for the purpose specified.

3d, In combination with the revolving box wheel, D D N N, and pressing arrangement, the hinged drop bottom, Q, in combination with a series of rollers or pulleys, P, or their equivalents, for the purpose and in the manner shown and described.

4th. In combination with my horizontal box wheel, the arrangement of the gearing and mill hopper, X, and crushers, W V, pinions, Y S, on shaft, all combined substantially m the manner specified.

5th, In combination with an apple mill, a cider press, with a series of presses in a horizontal revolving wheel, substantially as and for the purposes specified.

71,936.-CURB FOR WATER WHEEL.-Albert Winton, Chambersburg, Pa.

I claim, 1st, The serpentine or double curved chute gates, O O, when formed with surfaces tapering or sloping from their centers towards their ends, and so arranged, relative to intermediately situated diaphragms or plates, r r, that one of the tapering ends of said chute gates, O O, shall project beyond the circumferences of the rims, a a c e, and extend so as to enter slots, or between the prongs of fork-like arms, K L K L, to be operated in the manner and for the purpose substantially as described.

2d, The annular adjustable rim, or ring, i i, provided with the fork-like arms, K L K L, and with the moving lever or crank, m, and the fulcrum pin, h, all arranged to operate the chute gates, O O, substantially as shown and described.

71,937.-HARVESTER.-James Winters and Charles C. Gapen, Lacon, Ill.

We claim the skeleton frame, A, or its equivalent, provided with an adjustable clevis, and attached to the end of the tongue, or reaping and mowing machines, substantially in the manner and for the purpose herein described and represented.

71,938.-SASH TOP.-Orson E. Woodbury, Madison, Wis.

I claim, 1st, The cam, slotted at H D I, forming bearings at either extremity for the screw or other support, when the cam is operating against the catch, C, at the points, F or O, all as described and for the purpose specified.

2d, The catch, C, with the spikes, G G, constructed and used as and for the purposes hereinbefore named.

71,939.-PEAT AND BRICK MACHINE.-Charles D. Wrightington, Fairhaven, and Benjamin P. Rider, Boston, Mass.

We claim, 1st, In combination with the mold wheel having the series or sets of molds in it, a series of plungers revolving with said wheel and operated in succession by the eccentric journal and frame, Q, substantially as and for the purpose described.

2d, Also in combination with a mold wheel having a series of cogs interposed by a series of concave stops, blanks or abutments upon its periphery, a drive wheel having cogs and a blank surface on its perimeter so that the mold wheel may be moved, stopped and locked by said drive wheel which has a continuous movement, substantially as and for the purpose described.

3d, Also the location and arrangement of the cam over and around the blank on the perimeter of the drive wheel so that while the mold wheel is stopped and locked by said drive wheel which continues its movement said drive wheel shall operate the pushers to discharge the pressed bricks or blocks from the molds, substantially as described.

71,940.-.TOY.-Derrick Adams, Lansingburg, N.Y.

I claim an automatic toy having the legs of the horse and the head and arm of the driver actuated by mechanical devices, in manner substantially as herein described and for the purposes as set forth.

71,941.-EAVES TROUGH FASTENING.-Philip Ahn, Brandon Vt.

I claim the bolt, c, combined with the elastic strap, e, substantially as and for the purpose described.

71,942.-INFLATING RUBBER BALLS.-Henry A. Alden, Fishkill, N.Y., assignor to the New York Rubber Company.

I claim the application to rubber balls or other hollow articles requiring to be distended by inflation of the combined bulb and tube, substantially in the manner and for the purposes herein shown and set forth.

71,943.-REAMER.-Charles Allardice, Cohoes, N.Y.

I claim, 1st, A shank, A, formed substantially as described in combination with the cutters, B, and nut or screw ring, O, the whole operating as set forth.

2d, In combination with the shank, A, cutters, B, and nut, C, the nut, e, bolt, g, and washer, g', formed as described and employed for the purposes specified.

71,944.-BOLT ATTACHMENT TO DOOR LOCK.-William H. Andrews [assignor to Burton Mallory], New Haven, Conn.

I claim the bolt, E, constructed arranged within the lock case in combination with the follower, F, constructed with a cam, I, and spring, H, so as to hold the bolt securely in both its locked and unlocked position, substantially in the manner herein set forth.

71,945.-MECHANISM FOR PRESENTING PALM LEAF TO LOOMS.-Isaac Angell, Malden, Mass.