[D8034ZDV], Letter from Juan B Mainero to Thomas Alva Edison, July 24th, 1880
https://edisondigital.rutgers.edu/document/D8034ZDV
PDF: Archive.org
CSV: Metadata
Metadata
- 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.
- Author
- Mainero, Juan B
- Recipient
- Edison, Thomas Alva
- Date
- 1880-07-24
- Type
- Letter
- Subject
- Ore milling and separation
- Folder ID
- D8034-F
- Microfilm ID
- 54:799
- Document ID
- D8034ZDV
- Publisher
- Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
- Has Version
- Archive.org Viewer, Microfilm Series Reel 54
- License
- CC0 1.0 Universal