[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."

Date

1880-07-21

Folder/Volume ID

N103-F

Microfilm ID

36:249

Document ID

N103249

Publisher

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