Science and Natural History

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  • Rare Michael Faraday Signed Letter with a Carte-de-visite

    FARADAY, Michael .

    Michael Faraday Autograph Letter Signed.

    1849.

    Autograph letter signed by Michael Faraday to William Coffin answering a question regarding the chlorate reaction with sulfuric acid, "or oil of vitriol," in gunpowder. Addressed to William Coffin, it reads, "R[oyal] Institution, January 1, 1849, My dear Sir, I conclude you mean the acid which fires gunpowder - not directly but through the medium of the Chlorate mixture that and is as far as I know the strength liquid Sulfureum and or out of Vitriol. Ever Truly Yours, Michael Faraday." Matted and framed opposite a carte-de-visite of Faraday by John Watkins. The entire piece measures 11.25 inches by 14.25 inches.  …

    Price: $5,000.00     Item Number: 73081

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