I claim 1st, The combination of the device, D, bridge ring-bearing, a b, feeder, c, and collar, e, substantially as described,
2d, The toothed eccentric, J, in combination with lever, G, and collar, e, substantially as described.
71,858.--PAINTER'S EASEL.--Paul Deschause, New York city.
I claim 1st, The extensible legs, consisting of the hinged legs, a, and their extension sliding parts, b, made and arranged substantially as described.
2d, Also the combination of the legs with the toggle-brace, c c, substantially as described.
3d, Also, the extensible rest, composed of the fixed part, e, and the sliding part, d, in combination with the fixed and movable clamps, f g, substantially as described.
71,859.--GUIDE FOR SAW IN SAW MILLS.--Hiram P. Dillingham, Norwalk, Ohio.
I claim the plates, A and A', guides, B B', and C and C', the whole constructed substantially as described, and operating as and for the purposes set forth.
71,860.--PRODUCING CALCIUM MAGNESIUM LIGHT.--Chas. A. Dresser, New York city. George A. Dresser, Trustee;
I claim the preparation of dolomite, native or artificial substantially as and for the purpose described.