[PT020034], Patent Application, Thomas Alva Edison, July 7th, 1879
https://edisondigital.rutgers.edu/document/PT020034
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Title
[PT020034], Patent Application, Thomas Alva Edison, July 7th, 1879
Author
Date
1879-07-07
Type
Subject
Folder/Volume ID
PT020-F
Microfilm ID
45:701
Document ID
PT020034
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University