United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 342
■■# . ^ r ^yi.*;^.**«(;>* ■-. ■ 4 Sheets—Sheet 2. ^^^^ C. i. RANDALL. APPARATUS FOR RECORDING AND REPRODUCING SPEECH, &c. No. 502,382. Patented Aug. 1, 1893.
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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