[N325AAI], Technical Note, John F Ott, Thomas Alva Edison, September 18th, 1886
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Title
[N325AAI], Technical Note, John F Ott, Thomas Alva Edison, September 18th, 1886
Editor's Notes
"Made small cups on end of double barl tube ran two wires through them filled them with the following compounds and measured resistance" [lists of mixtures of copper oxide and lampblack and a few other substances follow through Sept. 22]
Author
Date
1886-09-18
Type
Folder/Volume ID
N325-F
Microfilm ID
43:782
Document ID
N325AAI
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University