[PT032AAO], Patent Application, Thomas Alva Edison, December 20th, 1887
https://edisondigital.rutgers.edu/document/PT032AAO
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Title
[PT032AAO], Patent Application, Thomas Alva Edison, December 20th, 1887
Author
Date
1887-12-20
Type
Subject
Folder/Volume ID
PT032AAO-F
Microfilm ID
114:212
Document ID
PT032AAO
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University