[D8006P], Letter from S G Hubert to Thomas Alva Edison, April 12th, 1880

https://edisondigital.rutgers.edu/document/D8006P

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Title

[D8006P], Letter from S G Hubert to Thomas Alva Edison, April 12th, 1880

Editor's Notes

What fraction of HP nec for 1 ELight equal to 1 coal lamp for 1 hour? Making "hand compressed air engine" to allow for rural & agricultural uses. Marg: "1/5 of hp will do."

Author

Date

1880-04-12

Decade

1880-1889

Type

Folder/Volume ID

D8006-F

Microfilm ID

53:314

Document ID

D8006P

Publisher

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