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On 08/06/2012, Michael Biel wrote: > From: Roger Kulp <[log in to unmask]> >> Who was the first to use metal parts,and when? Roger > > I'm not sure what you mean. Metal parts for stamping discs goes back > to Berliner. Do you mean who first used metal parts to dub off of? > That also goes back to Berliner or at least the early years of Victor > and Gramophone & Typewriter. > And the technology of electroplating an original to make a metal copy goes back to the 19C. A wood engraving that was to be used for a large edition could be electroplated, and a metal printing plate made, which would last longer. It is a form of stereotype (but stereos made from type were not electroplated). An example is the illustrations for "Alice in Wonderland". Regards -- Don Cox [log in to unmask]