United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 206
ble weighted indicator adapted to in-dicate which style is in contact with the sur-face and to maintain it in that position untilreversed, substantially as described. 10. A phonograph having a pair of inde- 75pendent styles rigidly secured to a pivoteddiaphragm and a reversible weighted… … ^Wl^eaoc^ /M6^^- T i PETERS CO. PHOTO-LITHO., WASHINGTON. 0. ( United States Patent Office. GIANNI BETTINI, OF NEW YORK, N. Y.PHONOGRAPH. SPECIFICATION forming part of Letters Patent No. 488,381, dated December 20, 1892. Application filed March 14,1892. Serial Mo. 424,815. (No model.) To all ivliom…
Phonograph · Patents
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