[PT032AAR], Patent Application, Thomas Alva Edison, January 21st, 1888

https://edisondigital.rutgers.edu/document/PT032AAR

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Title

[PT032AAR], Patent Application, Thomas Alva Edison, January 21st, 1888

Editor's Notes

Patent appl wax phonogram blanks, with object of improving articulation of phonograph; accomplished by burnishing Filed 30 January.

Date

1888-01-21

Folder/Volume ID

PT032AAR-F

Microfilm ID

114:251

Document ID

PT032AAR

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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