United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 685
/am/£ £%ZzM … Attorneys UNITED STATES PATENT OFFICE. CHARLES W. EBELING, OE NEW YORK, N. Y.VARIABLE-SPEED MECHANISM FOR SOUND AND PICTURE REPRODUCING MECHANISM. 1,201,790. Specification of Letters Patent. Patented Apr. 9, 1918. Application filed October 30, 1913, Serial No. 798,295. Renewed January 19, 1918.…
Phonograph · Patents
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