[N106139A], Technical Note, Alexander Welsh, January 7th, 1881
https://edisondigital.rutgers.edu/document/N106139A
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Title
[N106139A], Technical Note, Alexander Welsh, January 7th, 1881
Author
Date
1881-01-07
Type
Folder/Volume ID
N106-F
Microfilm ID
36:527
Document ID
N106139A
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University