[D8953AAY], Letter from Joseph Lincoln Colby to Thomas Alva Edison, April 24th, 1889

https://edisondigital.rutgers.edu/document/D8953AAY

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Title

[D8953AAY], Letter from Joseph Lincoln Colby to Thomas Alva Edison, April 24th, 1889

Editor's Notes

I have made an estimate of the probable gain in value of manganiferous iron ores if concentrated by your process, which I enclose herewith as a guide in making your experiments with "colby" ore. If there is any further information I can give yI shall be glad to do so if Mr. Dickson will let me know what is wanted.

Date

1889-04-24

Type

Folder/Volume ID

D8953-F

Microfilm ID

127:157

Document ID

D8953AAY

Publisher

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