[PT020278], Patent Application, Thomas Alva Edison, February 28th, 1881

https://edisondigital.rutgers.edu/document/PT020278

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Title

[PT020278], Patent Application, Thomas Alva Edison, February 28th, 1881

Date

1881-02-28

Folder/Volume ID

PT020-F

Microfilm ID

45:726

Document ID

PT020278

Publisher

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