Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 574
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o- (yOt^^f^yy\^<f< s CO. PHOTO-HTHO., WASHINGTON. C t (No Model.) No. 532,718. 4 Sheets—Sheet 2. J. BROICH. PHONOGRAPH. Patented Jan. 15, 1895.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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