United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 149
THE Mutxno i HOTO-LITHU., wAsntrvunj,* D C T. A. EDISON. MACHINE FOR SHAVING SOUND RECORDS OR BLANKS.APPLICATION PILED JUNE 22, 1911. 1,130,156. Patented Mar. 2,1915. 3 SHEETS-SHEET 3. 4*^ … j?&.# y J — ■ I7YIL
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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