3d, The upper front flue covered externally with a non-conducting lining as a portion of the combustion-chamber. 4th, The corrugated tubular externally-flanged chamber, provided with an incombustible termination, constructed and operating substantially as shown for the purposes pointed out. 5th, A semi-cylindrical reverberating chamber of combustion, when combined with a flue and a series of tubes, for the purposes specified. 6th, A feeding-chamber in combination with an arched chamber of combustion and the abutments for properly distributing the fuel upon the grate. 7th, Constructing the bed-plate or grate-plate in such a manner that the same shall form a support for the grate and brick-work of the chamber of combustion, as well as the bed of the front flue. 8th, The division-plate, in combination with a series of tubes, for the purposes fully described. 72,096.--WINDOW-SASH SUPPORTER.--J.W.Simpson, Newark, N.J. I claim the lever, d, and wedge, b, constructed, combined, and operated substantially in the manner and for the purpose hereinabove set forth. Also, the socket, m, with its ratch, n, and the catch, i, on the lever, d, in combination with the lever and wedge, in the manner and for the purpose specified. 72,097.--STAKE-HOLDER FOR RAILROAD CARS.--Thomas A. Slack, Peoria county, Ill. I claim the combination of revolving staple, stakes, and divisional "coal sides." as described and for the purpose set forth. 72,098.--EXCAVATOR.--Benjamin Slusser, Sidney, Ohio, assignor to himself and Elias M. Gluck, same place. I claim, 1st, The method of elevating or adjusting the plough of an excavator by the rotary motion of the forward axle, derived from the forward wheels by means of the clutches, a' a', substantially as and for the purposes set forth. 2d, In combination with the above, the plough, P, racks, r r, and pinion, a, when the latter is fixed to the axle, and operates to raise the plough by power derived from the axle, substantially as and for the purpose specified. 3d, The combination of the rocking cart, C, gear, e e'e", apron, B, and plough, P, when the parts are so constructed and arranged that by the raising or depressing of the plough, the wheels, e e', shall be thrown into or out of gear, and the apron put in motion or stopped, substantially as and for the purpose specified. 4th. The combination of the looped rods, w w w, with the arms, v v v, doors, m m' m", and lever, 1", substantially as and for the purpose specified. 5th, The lips or projections, o o, of the doors, m m' m", substantially as and for the purposes set forth. 6th. The combination of the rod, u, lever, l', spring, s, trigger, n, doors, m m' m", having the lips, o o o, rod, y', and hook, y, substantially as and for the purposes specified. 72,099.--AUGER HANDLE.--Daniel Y. Smith, Joliet, Ill. I claim the combination of the ferrule, a, with the annular nut, e, and flat spring, c, when constructed and arranged as and for the purposes set forth.