[N047229A], Technical Note, Francis Robbins Upton, April 8th, 1879

https://edisondigital.rutgers.edu/document/N047229A

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Title

[N047229A], Technical Note, Francis Robbins Upton, April 8th, 1879

Editor's Notes

lamp regulator?

Date

1879-04-08

Decade

1870-1879

Folder/Volume ID

N047-F

Microfilm ID

33:108

Document ID

N047229A

Publisher

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