Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 439
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? .HE NORRtS PETERS CO.. PHOTO-LITHO., WASHtNCTON. D. C. 1,139,387. C. W. WALLER.SOUND REPRODUCING MACHINE.APPLICATION FILED DEC. 18, 1911. Patented May 11,1915. 2 SHEETS-SHEET 2. TJg-J … 13 16 —A— nraa ^13 1& / 14- T^.zr & Z4>. c o -13 ■24 \ V^,--A s 15 m-j TJlMi ;\ O- 16 16^1718Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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