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The Voltaic Battery •••• Electrotype. NUMBER VII. When metal is deposited by the battery, for the purpose of copying the form of the reci pient, or basis, the process is called electrotype. The Electrotype Art is, theref ore, the art of casting by galvanism; and the suecessful prac tice of electro-casting, like any other mode of casting, consists in making fine impressions and good metal. The mould to reoeive the deposit must be of metal, or, if not of metal, it must have a me tallic face, anddoi:10.1038/scientificamerican12071850-91 fatcat:lacy2ib3xvehvk5qv4vkvk4rqm