[N104007], Technical Note, Francis Jehl, July 7th, 1880
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Title
[N104007], Technical Note, Francis Jehl, July 7th, 1880
Editor's Notes
Expt 5: Not completed but similar to #4. Using special lamp made by Boehm on top of spark gauge; just got as far as heating it on pump.
Author
Date
1880-07-07
Type
Folder/Volume ID
N104-F
Microfilm ID
36:270
Document ID
N104007
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University