Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 307
^Jn-uentor. attc C. W. EBELING.CONTROL MEANS FOR SOUND REPRODUCING MACHINES.APPLICATION FILED FEB. ?, 1916. RENEWED DEC. 18, 1917. 1,255,143. Patented Feb. 5,191& 4& 4l 3 SHEETS—SHEET 3. … 7fa?<<3*Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
More pictures from [Graphophone patents]
More like this