United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 166
ating-point connectedtherewith, the weight i)ivoted adjacent to itscenter of gravity and slotted at one side ofthe center, a compensating spring, a pin car-ried by the weight, and a link connection be-tween the pin and operating-point, substan-tially as described. This specification signed and… … _ WASHlMirON. B-C United States Patent Office. WILLIAM BRUENING, OF EAST ORANGE, NEW JERSEY.APPARATUS FOR RECORDING SPEECH OR OTHER SOUNDS. SPECIFICATION forming part of Letters Patent No. 486,394, dated November 15, 1892. Application filed July 23, 1891. Serial No. 400,451. (So model.) To all…
Phonograph · Patents
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