United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 1023
4 $cn*.«^ 7h. ^-e~> Oc -C j^%^^. ^?a?. n «o««s £ ■■ w«m;mcto(.. o. c No. 855,606. PATENTED JUNE 4, 1907. J. W. AYLSWORTH.PROCESS OF MAKING DUPLICATE SOUND RECORDS. APPLIOATIOH FILED MAY 31, 1906. RENEWED APB. J3, 1907. 4 SHEETS-SHEET 2. Jfy-4 … THE NOHR. IS PETERS CO., WASHtNGrm*. D- C. No. 855,606. PATENTED JUNE 4, 1907. J. W. AYLSWORTH.PROCESS OF MAKING DUPLICATE SOUND RECORDS. APPLIOATIOH FILED MAY 31, 1906, RENEWED APR. 23, 1907. 4 SHEETS-SHEET 3 -&?•*
Phonograph · Patents
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