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    Hermann von Helmholtz Autograph Letter Signed and Signed Photograph. The letter is on one page of a bifolium, 5.5" x 8.5"; written in Heidelberg on August 12, 1865. A letter to an unnamed correspondent, Helmholtz writes that he is unable to attend the meeting of the British Association in Birmingham because his doctors have advised him to go to Switzerland for his health. Signed, "Dr. H. Helmhotz."

    Offered together with a signed photograph of Helmholtz. The image measures 4" x 5" and is mounted to a sheet measuring 6.5" x 8". Signed below the image, "H. v. Helmholtz."

    Hermann von Helmholtz (1821-1894), was a prominent German physicist and doctor. He was best known for his research on energy and thermodynamics as well as his contributions to the field of ophthalmology. He had been one of the founders of the Physical Technical Institute of the German Empire in 1882, and became its first president in 1888.

    Condition: Evenly toned with flattened folds. Top corners of both pages are creased. The number "419" is written at top center in pencil. Adhesive residue on verso. Photograph has light creasing to mount, with a pencil annotation in lower right corner and on verso. "1513" is written in red crayon on back.

    Auction Info

    Auction Dates
    November, 2020
    12th Thursday
    Bids + Registered Phone Bidders: 3
    Lot Tracking Activity: N/A
    Page Views: 185

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