[MBLB4329], Letter from Charles Batchelor to Francis Robbins Upton, August 23rd, 1882
https://edisondigital.rutgers.edu/document/MBLB4329
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Title
[MBLB4329], Letter from Charles Batchelor to Francis Robbins Upton, August 23rd, 1882
Editor's Notes
Gives results of photometric tests showing 3% variation: "do you have this difficulty?"
Author
Recipient
Date
1882-08-23
Type
Folder/Volume ID
MBLB4-F
Microfilm ID
93:699
Document ID
MBLB4329
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University