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Frederick A Genth, mineralogist- 1861 Autograph Letter to Prof Benjamin Silliman
Frederick A Genth, mineralogist- 1861 Autograph Letter to Prof Benjamin Silliman

Frederick A Genth, mineralogist- 1861 Autograph Letter to Prof Benjamin Silliman

$ 58.08

Availability: 100 in stock
  • Modified Item: No
  • Time Period Manufactured: Pre-1900
  • Country/Region of Manufacture: United States
  • Condition: Used - See Listing For Details
  • All returns accepted: Returns Accepted
  • Refund will be given as: Money Back
  • Item must be returned within: 30 Days
  • Return shipping will be paid by: Seller

    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.
    .