United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 399
ans and the electric wave transmitting means substantially si-multaneously. WARREN N. PHINNEY. Witnesses: Philip Farnsworth,M. D. Hart. Copies of this patent may be obtained for five cents each, by addressing the Commissioner/ of Patents, Washington, D. C. STYLUS FOR SOUND REPRODUCIIG MACHINES, #… … •**>■/
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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