United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 461
Attorneys. ! NORRIS PETERS CO.. WASHINGTON. 1,141,232. W. E. CHILDERS.MULTIPLE RECORD PHONOGRAPH. APPLICATION FILED JUNE 9, 1914. Patented June 1,1915. 5 SHEETS-SHEET 3. -J*ty.& S3 i ^ … if 38i *3^~31fj JP&8.
Phonograph · Patents
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