[D8522H], Letter from John H Vail to Thomas Alva Edison, June 17th, 1885
https://edisondigital.rutgers.edu/document/D8522H
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Title
[D8522H], Letter from John H Vail to Thomas Alva Edison, June 17th, 1885
Editor's Notes
[Memorandum Letterhead of The Edison Company for Isolated Lighting, Superintendent's Office] Report on tests of three Weston's Dynamos; the "7 M" Dynamo, the "G.W.I." Dynamo, and the Weston No. 7 Incandescent Dynamo. Gives report of the volts, amps, and revs for each and the percent commercial efficiency at various loads. [These are probably Phila/Franklin Inst tests]
Author
Recipient
Date
1885-06-17
Type
Subject
Folder/Volume ID
D8522-F
Microfilm ID
77:567
Document ID
D8522H
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University