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Frederick A Genth, mineralogist- 1861 Autograph Letter to Prof Benjamin Silliman
$58.08
100
- Country/Region of Manufacture: United States
- Return shipping will be paid by: Seller
- Modified Item: No
- Condition: Used - See Listing For Details
- Refund will be given as: Money Back
- All returns accepted: Returns Accepted
- Item must be returned within: 30 Days
- Time Period Manufactured: Pre-1900
Description
Frederick Augustus Genthe
(1820-1893)
– German-American chemist; mineralogist; opened chemical laboratory in Philadelphia; professor University of PA 1872-88. He specialized in analytical chemistry & mineralogy and was the member of many scientific societies. He discovered 24 minerals – genthite named in his honor.
Excellent ontent letter.
Rare autograph letter signed in ink, F. A. Genthe, July 12, 1861, Phila, 1 1/2pp octavo, to Prof. Benj Silliman, Jr. (1816-1885), Prof. Chem., Yale, journalist, chemist, son of Benjamin Silliman (1779-1864.)
Content, excerpts:
“The Harrisites etc for the Ducktown Mines are finished. I have six analyses containing from a fracture of one per cent of sulphide of lead to about 97.”
“My analyses are now a positive proof to everybody, who choosed to doubt my previous conclusions, that I am right…”
“The Arsenides of Copper are not completed yet – ‘tho there is not doubt that the three exist on Lake Superior….”
Condition: Authentic letter and autograph in overall excellent condition.
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