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Gramophone patents: U. S. Gramophone Co

Gramophone patents: U. S. Gramophone Co

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Handwritten notations throughout. Correction page tipped in at beg. Patent 548, 623.
Some blank pages between patents and facing diagrams.
Gramophone patents bound informally together. Includes Berliner patents: 372,786; 382,790; 534,545; 548, 623; 564,586; Suess patent: 427,279; Clark patent: 597,875.



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