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Electrotype

a facsimile plate made by electrotypy for use in printing; also, an impression or print from such plate. Also used adjectively.

The face of an electrotype consists of a shell of copper, silver, or the like, produced by the action of an electrical current upon a plate of metal and a wax mold suspended in an acid bath and connected with opposite poles of the battery. It is backed up with a solid filling of type metal.

Origin: Electro- _ -type.

to make facsimile plates of by the electrotype process; as to electrotype a page of type, a book, etc. See electrotype.

Origin: Electrotyped; electrotyping.