Gramophone, & c.: specification forming part of Letters Patent No. 637,197, dated 1899 November 14

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Gramophone, & c.: specification forming part of Letters Patent No. 637,197, dated 1899 November 14

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Summary

Includes 2 pages of diagrams.
"Emile Berliner, of Washington, District of Columbia, assignor to the United States Gramophone Company, of same place."
Diagrams and specifications for Emile Berliner's "new and useful improvements in Gramophones or other sound reproducing machines...especially to the gramophone reproducers using a flat record-disk."

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Date

01/01/1899
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Source

Library of Congress
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Public Domain

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