A copy of something made by the electrolytic deposition of copper on a mould.
‘The 19th century was remarkable for its technological advances in the printing process, with the introduction of linotype, electrotype, stereotype and - in the 20th century - monotype, along with the mechanical manufacture of paper.’
‘The innovation of electrotypes in the mid-19th century added yet another dimension to the art of copying.’
‘Ring manufacturers participated in the campaign through radio advertising and by sending out newspaper electrotypes to be used by jewelers across the country.’
verb
[with object]
Make a copy of (something) by the electrolytic deposition of copper on a mould.
‘Electrotyping is an application of the art of electroplating to typography, used for making duplicate plates for relief printing.’
‘Standing newspaper matter may be stereotyped -- unless it contains cuts, when it should be electrotyped -- but should be cast on metal base to avoid shrinking and swelling.’
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