[PT032ABC1], Technical Note, Thomas Alva Edison, July 12th, 1888
https://edisondigital.rutgers.edu/document/PT032ABC1
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Title
[PT032ABC1], Technical Note, Thomas Alva Edison, July 12th, 1888
Editor's Notes
handwritten: object to produce phonogram blank of material superior for recording and reproducing using metallic soap - this is important. (Issues as U.S. Pat. 430,274, which is basic patent on the metallic soap waxes they use for cylinders)
Supplied day
Author
Mentioned
Date
1888-07-12
Type
Subject
Folder/Volume ID
PT032ABC-F
Microfilm ID
114:430
Document ID
PT032ABC1
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University