[MBN008ABC], Technical Note, John White Howell, February 18th, 1882
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Title
[MBN008ABC], Technical Note, John White Howell, February 18th, 1882
Editor's Notes
more lamps/lifetime tests. some carbons are now marked by fractions such as 96/40 or 112/20---numerator is probably rated voltage but what's denominator?
Author
Date
1882-02-18
Type
Folder/Volume ID
MBN008-F
Microfilm ID
91:378
Document ID
MBN008ABC
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University