United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 1001
he acetic series, and halo^enized stearic acid, substantially as set forth. 7. A duplicate sound record composed ofa composition of a cellulose ester of theacetic series, and chlorinated stearic acid,substantially as set forth. This specification signed and witnessedthis 29th day of May 1906. JONAS… … rtp.jr im^mtmsmssmsm&smsssm
Phonograph · Patents
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