2d, Also a frictional spring hook upon the tongue or tongue frame, for catching or holding upon a cross bar of the rear frame so that the two frames will not disconnect until the pressure upon the plow or plows exceeds that for which the hook has been adjusted, substantially as described.

72,028.--HOSE SHIELD.--John A. Ha.s.se, Philadelphia, Pa.

I claim the combination of the floor or footway, C, with the side pieces, b b, of a sectional hose bridge, constructed substantially as described.

72,029.--SKY ROCKET.--John W. Hadfield, Newtown, N.Y.

I claim the application of detachable wings to a sky rocket, through the medium of a collar or band, arranged so that the wings may be detached from the collar or band, or the latter detached from the rocket, substantially as shown and described.

72,030.--SKY ROCKET.--John W. Hadfield, East Williamsburg, N.Y.

I claim the attachment to a sky rocket of three or more sticks, at equal distances apart, substantially in the manner and for the purpose set forth.

72,031.--MACHINE FOR REFITTING CONICAL VALVE.--Chas. F. Hall, Brooklyn, N.Y.

I claim, last, A milling tool with one or more cutters attached to one or more arms or longitudinal sections of a cone, whether straight or oblique, whereby conical valves of different sizes may refitted, constructed substantially as shown and described.

2d, In combination therewith, the yielding center, C, substantially as described.

72,032.--COLLECTING OXIDE OF ZINC.--Geo.C. Hall, Brooklyn, N.Y.

I claim, 1st, A building, structure, or compartment, A, provided with openings, a, covered by screens, B, substantially as and for the purpose set forth,

2d, A screen for separating the oxide of zinc from the fumes and gases of burning zinc ore, composed of ground cork, hair, wool, sponge, or other suitable or similar material, confined within a suitable chamber, substantially as set forth.

72,033.--REGISTER FOR ODOMETERS.--Henry F. Hart, New York City.

I claim the arrangement in an inclined position of the counting wheels, 1, 2, 3, 4, 5, and 6, upon shafts of equal lengths, in combination with the notched and perforated lid, B, as herein shown and described.

72,034.--NECKTIE.--Wm.H. Hart, Jr., Philadelphia, Pa.

I claim a bow or tie, A, having an elastic loop or cord, B, arranged horizontally at its rear, with both of its ends free, for the purpose substantially as described.

72,035.--ELLIPTIC CARRIAGE SPRING.--Horace R. Hawkins, Akron. Ohio.

I claim an elliptical carriage spring composed of a single piece, F, or two separate pieces, E E, of steel, united by means of blocks and bolts, substantially as herein shown and specified.

72,038.--HATCH-LINING DRAWINGS.--E.K. Haynes, Hanover, N.H.

I claim a straight-edge or scale having a mechanism for effecting an intermittent movement of the same, substantially as described.

Also in combination therewith the tongue, q, tor angular lining, substantially as described.

Also in combination with the feed mechanism, a mechanism for presenting the straight edge in positions radiating from a center, substantially as set forth.

72,037.--PLATFORM SCALE.--D. Hazzard, Milton, Del.

I claim the Hollow stand, A, the spindle, C, the springs, D, the elastic rod, G, and the graduated plate, H, in combination and arranged substantially as shown and described tor the purposes set forth.

72,038.--PIANO LOCK.--Adam Helmstaedter, Newark, N.J.

I claim the pin, a, secured in the oscillating hook, C, and catching in a slot in the hook, C', substantially as and tor the purpose described.

72,039.--TWEER.--John B. Himberg, Frederick City, Md.

I claim a tweer consisting of the box, A, annular cover, C, with a convex under side, and of the removable ring, E, from which the concave plate, F, is suspended, all made and operating substantially as herein shown and described.

72,040.--LAMP FOR BURNING PETROLEUM.--James Hinks and Joseph Hinks, Birmingham, England.

We claim, 1st, Constructing the burners of the said lamps substantially in the manner hereinbefore described and ill.u.s.trated in figs. 1, 2, 3, 4, 5, and 6, of the accompanying drawings, that is to say, the combination in the same burner, of two or more flat or curved wick cases or holders, in which two or more flat wicks are placed, so as to produce thereby two or more flat flames or elliptical of nearly circular flames.

2d, Constructing and arranging the shade holders or galleries of the said lamps for the purpose of admitting air to the flames, substantially in the manner hereinbefore described, and ill.u.s.trated in figs. 7, 11, 12 13 and 14, of the accompanying drawings.

3d, Supporting the shade holders or galleries in a vase, or cup on the top of the pillar of the lamp, and supplying air to the lamp through the said pillar or vase, or supporting them in a cup or vase without a pillar, the air in this case being supplied through the vase, substantially in the manner hereinbefore described, and ill.u.s.trated in fig. 7 of the accompanying drawings.

4th, The improvement described and ill.u.s.trated in figs. 11, 12, 13, and 14, of the accompanying drawings, for isolating the shade from the shade holder or gallery.

5th, The arrangement or combination of the parts of punkah-protectors or wind protectors, substantially in the manner hereinbefore described, and ill.u.s.trated in figs. 7, 8, 9, 10, 11, 15, and 16, of the accompanying drawings.

72,041.--DEVICE FOR LASHING AND BINDING.--John M. Hirlinger, Red Rock, Pa.

I claim the cord, A, provided with the links, B and C, hooked lever, D, and slide, E, with its ring, a, arranged and used as and for the purpose set forth.

72,042.--TOOL FOR OPENING FRUIT CANS.--Horace Holt, New York city.

I claim, 1st, A tool for opening sheet metal cans, composed of a hand lever, B, carrying a tooth, c, and connected to tongs, A, or other equivalent means, capable of clamping said tooth-carrying lever to the can, as set forth.

2d, Placing the tooth, c, in an oblique direction, when the same is used in combination with the hand lever, B, and clamping device A, substantially as and for the purpose described.

3d, The raised bearing, d, in combination with the lever, B, and clamping device, A, substantially as and for the purpose set forth.

72,043.--MOP WRINGER.--Zadok Howe, Lowell, Mich.