[D8125A], Test Report, William Joseph Hammer, Edison Lamp Co, May 1881
https://edisondigital.rutgers.edu/document/D8125A
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Title
[D8125A], Test Report, William Joseph Hammer, Edison Lamp Co, May 1881
Editor's Notes
"Order 285." Set of 10 "regulars" run at 16 candles. Tests show "very slight if any change." Voltages change somewhat during 2nd test; this is b/c the volt scale is a little wrong.
Supplied month
Date
1881-05-00
Type
Folder/Volume ID
D8125-F
Microfilm ID
57:1096
Document ID
D8125A
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University