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Cancellare i filtri Soggetto Helmholtz, Hermann von, 1821-1894

  • Hermann Ludwig Ferdinand von Helmholtz

    Descrizione:
    Portrait of Hermann Ludwig Ferdinand von Helmholtz, who studied physiological phenomena, paving the way for acceptance of the basic principle of energy conservation in physiology.
    data di creazione:
    undated

  • Hermann von Helmholtz

    Descrizione:
    Portrait of Hermann von Helmholtz. Photographed by Brady and engraved by; T. Johnson.
    data di creazione:
    undated

  • Hermann Ludwig Ferdinand von Helmholz

    Descrizione:
    Photograph of Hermann Ludwig Ferdinand von Helmholz from page 84 of Sharpey's Album. Helmholz was a sensory physiology. Photographed by Hugo Quaas. Part of an album of eminent scientists, surgeons, etc. with a collection of autographed letters and...
    data di creazione:
    1875-1899

  • Hermann von Helmholtz

    Descrizione:
    Cartes de visite photograph of Hermann von Helmholtz from page 10 of Stewart's Album.
    data di creazione:
    19th century