Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 641
4 1,261,174. C. STEIN.PHONOGRAPH. APPLICATION FILED OCT. 14, 1916. ^k^-3. I ffi 6 ;/;;;///>//, ■//.,■/,■// cc // /o/ ,/- 222ZZZZZZZZ2SZ. BZZZZ&ZL i 6 Patented Apr, 2,1918. 2 SHEETS-SHEET 2. ^?.<Z. … C&9-5.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
More pictures from [Graphophone patents]
More like this