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Subject Precious metals Remove constraint Subject: Precious metals

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    • 1859

    Digitized in entirety, this first English edition of the German Das Mineralreich in Bildern (Stuttgart, 1858) contains 24 lithographed plates with one chromolithograph and 22 hand-colored illustrations of 288 minerals,…

    • 1879-Jun-10

    Rough draft of a letter dealing with the results of Outerbridge’s experiments on the volatilization of standard silver. Letter is unsigned but is written in Booth's hand.

    • 1879-May-29

    Booth's comments on the experiments made by A.E. Outerbridge on volatilization of silver of standard fineness.