United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 496
N. H. HOLLAND. PHONOGRAPH. APPLICATION PILED DEO. 2, 1911. 1,106,448. Patented Aug. 11, 1914. 2 SHEETS-SHEET 1. & fj#.I … K/fAZ2(/> THE NORMS PETERS CO. PHOTO-LITHO. WASHINGTON. D. C
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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