United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 753
e signed myname to this specification in the presence oftwo subscribing witnesses. EUGENE H. KAUFMAN. Witnesses: Alex. Yokel,Hakry Rtjlin. Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. ■ PROCESSCF PRESSING SOUND BECOKDS, #…
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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