[MBLB4451], Letter from Charles Batchelor to Francis Robbins Upton, February 1st, 1883

https://edisondigital.rutgers.edu/document/MBLB4451

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Title

[MBLB4451], Letter from Charles Batchelor to Francis Robbins Upton, February 1st, 1883

Editor's Notes

Please send me best and worst results of lamp life tests so I know if I'm keeping up.

Date

1883-02-01

Decade

1880-1889

Type

Folder/Volume ID

MBLB4-F

Microfilm ID

93:789

Document ID

MBLB4451

Publisher

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