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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 773

An illustration from [Graphophone patents], 1878, leaf 773
ATTORNEY I W. N. DENNISON.TALKING MACHINE. APPLICATION FILED JULY 31, 1911. 1,152,401 Patented Sept. 7, 1915. 6 SHEETS—SHEET 3. G£~ 50 JQ … r WITNESSES sy INVENTOR ATTORNEY iTOLlMRIA PLANutiRMH CO.. WASHINGTON. O. C W. N. DENNISON. TALKING MACHINE. APPLICATION FILED JULY 31, 1911. 1,152,401 Patented Sept. 7, 1915. 6 SHEETS-SHEET 4. -E6?. &.

Phonograph · Patents

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