[N082215], Technical Note, Francis Robbins Upton, April 21st, 1880

https://edisondigital.rutgers.edu/document/N082215

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Title

[N082215], Technical Note, Francis Robbins Upton, April 21st, 1880

Editor's Notes

candle measurements of frosted globe. Safety catches continued from p. 207 (fr 692) 23 degrees made .042 wires red hot; 35 degrees made No 12 wires for Columbia mains warm enough to soften the paint.

Date

1880-04-21

Decade

1880-1889

Folder/Volume ID

N082-F

Microfilm ID

35:696

Document ID

N082215

Publisher

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