[D8337ZDG], Letter from Charles Batchelor to Thomas Alva Edison, July 26th, 1883
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Title
[D8337ZDG], Letter from Charles Batchelor to Thomas Alva Edison, July 26th, 1883
Editor's Notes
One of my men bought a siemens lamp in Germany and tested it with the following results (results follow). At the end of 7 hours, 25 hours and 32 hours it was broke. Discusssion of details of the actual parts of the lamp and how it was affected. Insll marginalia " upton return after"
Author
Recipient
Mentioned
Date
1883-07-26
Type
Folder/Volume ID
D8337-F
Microfilm ID
67:824
Document ID
D8337ZDG
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University