[D9234AAF], Letter from I H Bonsall to Thomas Alva Edison, February 2nd, 1892
https://edisondigital.rutgers.edu/document/D9234AAF
Transcription
Received Feb 6 1892
Ans’d Feb 12th 1892
Arkansas City Kas, Feb 2nd 1892
Hon Thomas A. Edison
Dear Sir
I am interested in a mine in Arizona that is now worked for the gold found in it. Some $5.00 of gold per ton worked at a cost of $1.30 leaving a profit of $3.70 per ton. Assays share two per cent of each ton is of some initial[?] supposed to be Vanadium also a initial{?} the miners cold Vanadate of Lead. Can you spare time to kindly answer a few questions 1st what is the value of Vanadium
2 “ “ “ “ Vanadate of lead What are they used for. Can you use them in your electrical business.
3rd Where can they be reduced from the ore. I am informed somewhere in New Jersey + can you assay the ore. I enclose a stamp for reply.
Most respectfully yours.
I.H. Bonsall [Tae Marginalia] Vanadium is used in very small quantities in Calico Color printing-it is very expensive + it’s also very rare. It is a wonderful material + if you could save it + get large quantities it would be introduced. Easily in the arts +bring a high price. Vanadium Ink is the blackest known liquid E