[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.
Author
Date
1888-01-21
Type
Folder/Volume ID
PT032AAR-F
Microfilm ID
114:251
Document ID
PT032AAR
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University