3d, Casting graining or other ornamental configurations on conical rolls so as to form a continuous body, for the purposes herein described. 4th, Making die or printing conical rolls in sections, and securing them to the staves so as to change their position for making a greater variety of ornamental designs for graining and ornamenting hollow ware, substantially as and for the purposes set forth. 5th, Applying a smooth coat or body of paint or varnish with a flexible roller to pails, tubs, or other articles of hollow ware, substantially in the manner herein set forth. 71,979.--SAWYERS' RULE.--Thos. Carter, Louisville, Ky. I claim, 1st, A scale so constructed and adjusted that any two of the three quantities of the thickness of the planks, the diameter of the log, and the number of the planks cut or to be cut from the log being given, the third of said quantities is read off from the scale in the manner substantially as above set forth and described. 2d, A scale exhibiting the number of turns to be given to the screws of the log carriage for cutting plank or boards of any desired thickness. 71,980.--CAST METAL CASE FOR SPRING BALANCE.--John Chatillon, New York city. I claim a cast metal case for spring balances, when provided with a perforated or slotted upper head for the reception to the pin, b, and when made substantially as and for the purpose herein shown and described. 71,981.--VACUUM GRAIN DRYER.--Geo. Clark, Buffalo, N.Y. I claim, 1st, the three essential features or parts: the air tight grain chamber, the radiations heating pipes or floors, and the vacuum-producing apparatus, combined and operating substantially as herein set forth. 2d, the arrangement of the steam heating pipes within the grain chamber, substantially as set forth. 3d, The graduated gage vessel, H, arranged as and for the purpose set forth. 71,982.--DOOH LATCH.--Francis Clymer, Galion, Ohio. I claim the mode of attaching a combined latch and hasp, B, and staple, F, to doors, by means of slots, I and H, so as to permit the adjustment of the same substantially as set forth. 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.