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    Hermann von Helmholtz Calling Card and Autograph Letter Signed "H. Helmholtz." The letter is one page of a bifolium, 4.5" x 7", Heidelberg, Germany; March 28, 1871. Addressed to an unknown recipient, regarding a portrait of him being installed at the Royal Ophthalmic Hospital in London. It reads, in full:
    "leaving Heidelberg for Berlin, where I shall reside for the future. I have given orders to the Photographer, who has made my last and best portrait, to send you a copy of it for the Royal Ophthalmic Hospital. With my best thanks for the honorable place, you propose to give to this portrait, I have the honor to be Sir your most obedient."

    Accompanying the letter is von Helmholtz's calling card as President of the Physikalisch-Technische Reichsanstalt in Charlottenburg. With an inscription written in German at the top of the card by von Helmholtz, untranslated.

    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: The letter is toned throughout, with light foxing. Flattened mail folds. There are a few small spots of soiling. Pencil notations at the bottom from a previous sale. The calling card is toned at the edges, with slight wear to the edges and corners.

    Auction Info

    Auction Dates
    April, 2020
    22nd Wednesday
    Bids + Registered Phone Bidders: 1
    Lot Tracking Activity: N/A
    Page Views: 353

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