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A plate of polished copper on which a design or writing is engraved.

on gelatin are impressed into a soft metal plate, from which the printing is done as from copperplate.

ed by calcining ivory or bones. When ground it is the chief ingredient of the ink used in copperplate printing. -- Berlin black. See under Berlin.

The name of a kind of in used in copperplate printing, prepared from the charred husks of the grape, and residue of the wine press.

e. (a) (Mach.) A shaft, windlass, or roller, worked by levers at opposite ends, as in the copperplate printing press. (b) A driving axle. with cranks set at an angle of 90º with each other. -- Cross bedding (Geol.), oblique lamination of horizontal beds, -- Cross bill. See in the Vocabulary. -- Cross bitt. Same as Cr…

A roll of cloth for wiping off the face of a copperplate, leaving the ink in the engraved lines.

. A black pigment used in copperplate printing, prepared by burning vine twigs, the lees of wine, etc. McElrath.

A copperplate produced by the method of galvanography; also, a picture printed from such a plate.

A method of producing by means of electrotyping process (without etching) copperplates which can be printed from in the same manner as engraved plates.

with ink. Inking roller, a somewhat elastic roller,used to spread ink over forms of type, copperplates, etc. -- Inking trough or table, a trough or table from which the inking roller receives its ink.

cloth by pressure between revolving rollers. (b) A printing press with a roller, used in copperplate printing. -- Rolling stock, or Rolling plant, the locomotives and vehicles of a railway. -- Rolling tackle (Naut.), tackle used to steady the yards when the ship rolls heavily. R. H. Dana, Jr.

y in the north of England. Yorkshire grit, a kind of stone used for polishing marble, and copperplates for engravers. Simmonds. -- Yorkshire pudding, a batter pudding baked under meat.