Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 337
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No. 824,368. PATENTED JUNE 26, 1906. F. & W. LOCHMANN.TALKING MACHINE WITH ROTATABLE HORN. APPLICATION PILED APE. 27. 1904.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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