[N139001], Technical Note, Charles Batchelor, January 7th, 1880

https://edisondigital.rutgers.edu/document/N139001

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Title

[N139001], Technical Note, Charles Batchelor, January 7th, 1880

Editor's Notes

"6 spiral lamps for Edison" with sketches of 3 casrbon spirals.

Date

1880-01-07

Folder/Volume ID

N139-F

Microfilm ID

38:665

Document ID

N139001

Publisher

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