[PT032ABU], Patent Application, Thomas Alva Edison, April 8th, 1889
https://edisondigital.rutgers.edu/document/PT032ABU
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Title
[PT032ABU], Patent Application, Thomas Alva Edison, April 8th, 1889
Editor's Notes
patent file wrapper but first date shown is forwarded to Patent office 890409; thie rest of the file is a draft application dated 890324
Author
Date
1889-04-08
Type
Folder/Volume ID
PT032ABU-F
Microfilm ID
114:646
Document ID
PT032ABU
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University