[N167099], Technical Note, Unknown, December 13th, 1880
https://edisondigital.rutgers.edu/document/N167099
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Title
[N167099], Technical Note, Unknown, December 13th, 1880
Editor's Notes
"the latest from TAE on heating the lamps is wen you get a good vacuum heat with all your resistance in an [??] Red keep the current on until you cant see any air......" directions for sealing off lamp & testing with resistance board.
Author
Mentioned
Date
1880-12-13
Type
Subject
Folder/Volume ID
N167-F
Microfilm ID
39:660
Document ID
N167099
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University