[N137103B], Technical Note, Francis Jehl, September 21st, 1880
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Title
[N137103B], Technical Note, Francis Jehl, September 21st, 1880
Editor's Notes
Series of tests on different insulation combinations of rubber cloth & coal tar, parrafin, marlin, etc. Fr 539 Sept 14 insulatin tests. Fr 541 drawing lightening arrestor/circuit breaker?
Author
Date
1880-09-21
Type
Folder/Volume ID
N137-F
Microfilm ID
38:534
Document ID
N137103B
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University