[PT032AAB], Patent Application, Thomas Alva Edison, February 7th, 1887
https://edisondigital.rutgers.edu/document/PT032AAB
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Title
[PT032AAB], Patent Application, Thomas Alva Edison, February 7th, 1887
Author
Date
1887-02-07
Type
Subject
Folder/Volume ID
PT032AAB-F
Microfilm ID
114:7
Document ID
PT032AAB
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University