[D8032T], Letter from Thomas Alva Edison to W H Patton, July 21st, 1880
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Title
[D8032T], Letter from Thomas Alva Edison to W H Patton, July 21st, 1880
Editor's Notes
Proposal for electric pumping and hoisting in mine. Put 60hp magneto every 250 feet below 3000' level. Porter-Allen engine specs. Engine and magneto occupy 8x9x3 feet. Please send more data, maps. "I have nearly finished a diamond drill worked by a magneto direct."
Author
Recipient
Date
1880-07-21
Type
Folder/Volume ID
D8032-F
Microfilm ID
54:401
Document ID
D8032T
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University