United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 748
^ … C^x^S.^Ol. rot KO.R.S PETtm <». P«rrO.L.THO.. ».«.r«lTO O ■ United States Patent Office. THOMAS A. EDISOX, OF LLEWELLYN TARK, NEW JERSEY PHONOGRAPH. SPECIFICATION forming part of Letters Patent No. 575,151, dated January 12, 1897. Application filed December 3,1890. Serial No, 373,406. (¥0…
Phonograph · Patents
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