[PT032ABJ1], Technical Note, Thomas Alva Edison, September 17th, 1888
https://edisondigital.rutgers.edu/document/PT032ABJ1
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Title
[PT032ABJ1], Technical Note, Thomas Alva Edison, September 17th, 1888
Editor's Notes
single page of drawings for case 810 (phonograph) US Pat 437,424. Phonogram blanks made from flexible material
Author
Mentioned
Date
1888-09-17
Type
Folder/Volume ID
PT032ABJ-F
Microfilm ID
114:537
Document ID
PT032ABJ1
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University