71,983.--CLAMP.--Geo. H. Coo and Geo. H. Snow, New Haven, Conn.

We claim the herein described clamp, consisting of the head, C, upon one
arm of the body, [Transcribers note: illegible letter], the opposite
arm, provided with a corresponding foot, and the said head having
arranged therein levers, D, and combined with a screw, B, so as to
operate to clamp between the screw and the foot, substantially as set
forth.


71,984.--BOAT DETACHING TACKLE.--David L. Cohen, Pensacola. Fla.

I claim the combination of the notched bars, a a, with the grooved
blocks, B B, the sliding blocks, C, pitman, D D', and lever, F,
substantially as and for the purpose described.


71,985.--APPARATUS FOR ELEVATING WATER.--J.R. Cole, Keaton Station,
Tenn.

I claim, 1st, The combination of the chamber, F, provided with the short
pipes, p p', and the pipes, p", with the pumps, G H, and the chambers, C
D E, substantially as and for the purposes described.

2d, The combination and arrangement, for the purpose described, of the
chambers, C D E F, pipes, p p' p", P P' P", and pumps, G H, the latter
working alternately, so as to maintain a constant pressure upon the
water in the chambers, substantially in the manner specified.