United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 445
with said sound reproducingmeans. In testimony whereof I have affixed mysignature in presence of two witnesses. CHAELES W. WALLER 10 Witnesses:George Gruble, W. A. Frantz. Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C.… … O O WITNESSES
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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