[D8034ZEW], Letter from John W Hart to Thomas Alva Edison, September 30th, 1880
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Title
[D8034ZEW], Letter from John W Hart to Thomas Alva Edison, September 30th, 1880
Editor's Notes
Wants info on ore machine shown in August Scribner's. How much iron sand needed? Marg: "shld be 50 pc black iron sand. Maching costing $2000 will then give abt 75 tons of pure magnetic iron per day. My royalty is 3 c per ton, parties using paying for mach which they have at mfr price."
Author
Recipient
Date
1880-09-30
Type
Subject
Folder/Volume ID
D8034-F
Microfilm ID
54:844
Document ID
D8034ZEW
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University