[N103263], Technical Note, Francis Robbins Upton, July 22nd, 1880
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Title
[N103263], Technical Note, Francis Robbins Upton, July 22nd, 1880
Editor's Notes
Continuing lamp expts. Same as before; notes on blue light. 257 "E.M.F. constant First a flickering blue then entirely clear." Some with reversed currents. Fr 261 begins list of expts prescribed by TAE: "Pt Iridium .005 10% to be brought up to one candle or less in the air; then measured as the air is exhausted." Also some dynamo expts. Some misc vacuum apparatus sketches.
Author
Date
1880-07-22
Type
Folder/Volume ID
N103-F
Microfilm ID
36:255
Document ID
N103263
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University