United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 271
, of atablet of paper or the like upon each side ofthe said record-tablet, and a glue located insaid holes and securing said paper disks to-gether. In testimony whereof I have signed thisspecification in the presence of two subscrib-ing witnesses. GEORGE A. MANWARING. Witnesses: C. A. L. Massie,W.… … T-nts &ri£b7~ 4 jffi^L^^. jU**. <&&Yi unmw. i. oumu co. r»To-im«oiupH£»is. wawwqtom. c. a UNITED STATES PATENT OFFICE. PEDER OLUF PEDERSEN, OF COPENHAGEN, DENMARK. MECHANISM FOR OPERATING THE RECORDING AND REPRODUCING MECHANISMS OF TELEGRAPHONES. No. 819,670. Specification of Letters…
Phonograph · Patents
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