[QD012E2238], Patent Application, Thomas Alva Edison, April 12th, 1879

https://edisondigital.rutgers.edu/document/QD012E2238

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Title

[QD012E2238], Patent Application, Thomas Alva Edison, April 12th, 1879

Date

1879-04-12

Decade

1870-1879

Folder/Volume ID

QD012E-F

Microfilm ID

47:942

Document ID

QD012E2238

Publisher

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