[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

Date

1885-06-17

Type

Folder/Volume ID

D8522-F

Microfilm ID

77:567

Document ID

D8522H

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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