[PT021020], Patent Application, Thomas Alva Edison, October 4th, 1881

https://edisondigital.rutgers.edu/document/PT021020

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Title

[PT021020], Patent Application, Thomas Alva Edison, October 4th, 1881

Date

1881-10-04

Folder/Volume ID

PT021-F

Microfilm ID

45:736

Document ID

PT021020

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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