[QD012E2251A], Patent Issued, Thomas Alva Edison, May 4th, 1880
https://edisondigital.rutgers.edu/document/QD012E2251A
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Title
[QD012E2251A], Patent Issued, Thomas Alva Edison, May 4th, 1880
Author
Date
1880-05-04
Type
Subject
Folder/Volume ID
QD012E-F
Microfilm ID
47:949
Document ID
QD012E2251A
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University