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.