[PT005A1], Patent Specification, Thomas Alva Edison, April 9th, 1873

https://edisondigital.rutgers.edu/document/PT005A1

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Title

[PT005A1], Patent Specification, Thomas Alva Edison, April 9th, 1873

Date

1873-04-09

Decade

1870-1879

Folder/Volume ID

PT005A-F

Microfilm ID

8:552

Document ID

PT005A1

Publisher

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