[N103249], Technical Note, Francis Robbins Upton, July 21st, 1880
https://edisondigital.rutgers.edu/document/N103249
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Title
[N103249], Technical Note, Francis Robbins Upton, July 21st, 1880
Editor's Notes
Continuing lamp expts. Fr 253: reversed current on bamboo for 4 minutes, "this showed a bad spot at the bottom. With constant current should not expect it to last more than one minute."
Author
Date
1880-07-21
Type
Folder/Volume ID
N103-F
Microfilm ID
36:249
Document ID
N103249
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University