[PT020386], Patent Application, Thomas Alva Edison, June 22nd, 1881

https://edisondigital.rutgers.edu/document/PT020386

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Title

[PT020386], Patent Application, Thomas Alva Edison, June 22nd, 1881

Date

1881-06-22

Folder/Volume ID

PT020-F

Microfilm ID

45:730

Document ID

PT020386

Publisher

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