[N106085], Technical Note, Charles Batchelor, Thomas Alva Edison, November 17th, 1880
https://edisondigital.rutgers.edu/document/N106085
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Title
[N106085], Technical Note, Charles Batchelor, Thomas Alva Edison, November 17th, 1880
Editor's Notes
"Vacuum by heating. Carbonize material and carbon in bulb--stopcock at each side of carbon bulb---one end open on other end lamp. Heat the carbon bulb with open end close stopcock and open one leading to lamp." [unclear drawing]
Date
1880-11-17
Type
Folder/Volume ID
N106-F
Microfilm ID
36:500
Document ID
N106085
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University