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.