United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 703
he shell and nearlyequaling the greatest inner diameter thereof 65and convexby presented to said orifice, andmufflers whereby sound-vibrations are pre-vented from passing around said shell ex-teriorly, substantially as specified. In testimony whereof I have hereunto set 70my hand in the presence of… … ^Wvtne>3«5. . eltvue*vto*: Otto t\tf>. THE NORfllS PETERS CO.. WASHINGTON. U.X- UNITED STATES PATENT OFFICE. BYRON B. GOLDSMITH, OF NEW YORK, N. Y.SOUND-RECORD TABLET. No. 840,932. Specification of Letters Patent.Application filed December 13,1906. Serial No. 347,676. Patented Jan. 8,1907. To…
Phonograph · Patents
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