[N082201], Technical Note, Francis Robbins Upton, April 17th, 1880

https://edisondigital.rutgers.edu/document/N082201

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Title

[N082201], Technical Note, Francis Robbins Upton, April 17th, 1880

Editor's Notes

1 pg motor test with battery? Fr 690 photometer tests; candlepower measurements made with lamp in different positions. Safety catches 4 wires of lead tin twisted together .054 in each. 33 degrees on electrodynamometer.

Date

1880-04-17

Folder/Volume ID

N082-F

Microfilm ID

35:689

Document ID

N082201

Publisher

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