[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

Date

1879-07-07

Decade

1870-1879

Folder/Volume ID

PT020-F

Microfilm ID

45:701

Document ID

PT020034

Publisher

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