[N322AAC], Technical Note, John F Ott, Thomas Alva Edison, August 11th, 1886
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Title
[N322AAC], Technical Note, John F Ott, Thomas Alva Edison, August 11th, 1886
Editor's Notes
precded by table for 169 dated 9/10/86 with text under: "Not very black for life clamps clean fil dead black] "169-- Dried-- 1 milligram terchloride carbon-- worked reg not reversed-- blue in globe took it off pump rather quickly globe clean filiment shiny but cannot see that there is any deposit of any consequence clamps clean 170 Dried-- Silicon 1/2 thimbleful heated by Kero-- extra wire on vac to connect to it-- one clamp moderately clean other dirty fil shiny 171 Dried-- 1 milligram anthracite-- didn’t heat with kerosene-- clamps clean filiment very shiny pbly deposit slightly globe yellow tint all over wwhite volatilized anthracite in neck [table dated 9/10/86 with text under: "globe yellow fil Black clamp clean"]
Author
Date
1886-08-11
Type
Folder/Volume ID
N322-F
Microfilm ID
43:470
Document ID
N322AAC
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University