Bruce M.
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The microgroove record was Edison's work, not Theodore's. Theodore designed
the universal electric magnetic pickup used in the C-1 and C-2
radio/phonograph combinations of 1928. T.A.s work on microgroove recordings
can be noted as early as 1899. (cylinder of course)
- [Phono-L] Edison's A-250 DD Phonograph at Glenmont bruce78rpm
- Re: [Phono-L] Edison's A-250 DD Phonograph at Glenmont John Maeder
- Re: [Phono-L] Edison's A-250 DD Bruce Mercer
