[MBLB4480], Letter from Charles Batchelor to Francis Robbins Upton, March 16th, 1883

https://edisondigital.rutgers.edu/document/MBLB4480

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Title

[MBLB4480], Letter from Charles Batchelor to Francis Robbins Upton, March 16th, 1883

Editor's Notes

#456. Yours of 2/22 enclosing 3 duration curves rcd. But I don't understand the curves---seem to give conflicting information. Also, they're for 8, 6, 17 cp lamps; I use 8, 6, 13.5cp--when did you change back, and why? Are they for central station or other use?

Date

1883-03-16

Decade

1880-1889

Type

Folder/Volume ID

MBLB4-F

Microfilm ID

93:808

Document ID

MBLB4480

Publisher

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