United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 646
)\K\\Q.ty^<iy * (No Model.) No. 541,923. 2 SheetB—Sheet 2. T. A. EDISON. PHONOGRAPH. Patented July 2, 1895. … cJ1aDe^vto■J^ United States Patent Office. THOMAS A. EDISON, OF LLEWELLYN PARK, NEW JERSEY. PHONOGRAPH. SPECIFICATION forming part of Letters Patent No. 541,923, dated July 2,1895.Application filed November 21,1 880. Serial No. 372,223. (No model.) To all ivliom it mmj concern: Be it known that T,…
Phonograph · Patents
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