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筛选: 学科 Helmholtz, Hermann von, 1821-1894 删除限定条件 学科: Helmholtz, Hermann von, 1821-1894

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  • Hermann Ludwig Ferdinand von Helmholtz

    描述: 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.
    创建日期: undated

  • Hermann Ludwig Ferdinand von Helmholz

    描述: 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...
    创建日期: 1875-1899

  • Hermann von Helmholtz

    描述: Portrait of Hermann von Helmholtz. Photographed by Brady and engraved by; T. Johnson.
    创建日期: undated

  • Hermann von Helmholtz

    描述: Cartes de visite photograph of Hermann von Helmholtz from page 10 of Stewart's Album.
    创建日期: 19th century