Inside Out Library · Explore
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 400
No. 738,316. PATENTED SEPT. 8, 1903. E. GILBERT. ATTACHMENT FOR PHONOGRAPHS. APPLICATION FILED BEC. 18, 1902. NO MODEL, — . 2 SHEETS-SHEET 1. /=/GrJ … Cy^cnc£^^Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
More pictures from [Graphophone patents]
More like this