United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 530
I [\l \/e[sI td f\ At tVs (No Model.) 2 Sheets—Sheet 2. G. T. WALDRON. COIN RELEASED ACTUATING MECHANISM FOR PHONOGRAPHS. No. 524,921. Patented Aug. 21, 1894. … f:L3- 2
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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