[N112103], Technical Note, Francis Robbins Upton, August 2nd, 1880

https://edisondigital.rutgers.edu/document/N112103

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Title

[N112103], Technical Note, Francis Robbins Upton, August 2nd, 1880

Editor's Notes

more lamp tests with calorimeter & galvanometer. Bamboo in gasoline; paper in kerosene; 901 lamp outside coated with tar; fr 904 begins records of betting pools on how long given lamps will last (some serious money---up to $10.00)

Date

1880-08-02

Folder/Volume ID

N112-F

Microfilm ID

36:892

Document ID

N112103

Publisher

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