[D8034ZDV], Letter from Juan B Mainero to Thomas Alva Edison, July 24th, 1880

Item

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Title

[D8034ZDV], Letter from Juan B Mainero to Thomas Alva Edison, July 24th, 1880

Editor's Notes

Partner in company working Columbia SA auriferous silver mine. Using German-english (smelting, etc) method can't make it pay below $1/100 lbs. How about your process? Marg: the usual; process for black sand, hydro placer mines.

Date

1880-07-24

Decade

1880-1889

Type

Identifier

D8034ZDV

Folder Set

D8034-F

Microfilm ID

54:799

Publisher

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

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