[D8033ZAC], Letter from George W Cummings to Thomas Alva Edison, April 5th, 1880

https://edisondigital.rutgers.edu/document/D8033ZAC

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Title

[D8033ZAC], Letter from George W Cummings to Thomas Alva Edison, April 5th, 1880

Editor's Notes

Sends sample of quartz containing a large quantity of sulphurite pyrites &c. Is this what you need to make acid? Please assay and reply; I never heard anything from samples sent you previously. Marg: "No gold....Not good for sulphuric acid."

Mentioned

Date

1880-04-05

Decade

1880-1889

Type

Folder/Volume ID

D8033-F

Microfilm ID

54:480

Document ID

D8033ZAC

Publisher

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