[D8033ZAC], Letter from George W Cummings to Thomas Alva Edison, April 5th, 1880
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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."
Author
Recipient
Mentioned
Date
1880-04-05
Type
Subject
Folder/Volume ID
D8033-F
Microfilm ID
54:480
Document ID
D8033ZAC
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University