Inside Out Library

[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 717

An illustration from [Graphophone patents], 1878, leaf 717
J104, WITNESSES: INVENTOR BY ATTORNEY. .OLUMDIA PLANOGRAPH CO., WASHINGTON. D. C. W. N. DENNISON. SOUND REPRODUCING MACHINE. APPLICATION FILED MAR. 12, 1907. RENEWED JAN. 20, 1915. 1,150,346. PatentedAug. 17, 1915. 4 SHEETS-SHEET 3. … J^.^. ^s>

Phonograph · Patents

Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.

More pictures from [Graphophone patents]

More like this