Phakoscope designed by Hermann von Helmhotz, made by H. Sittel

1870-1878 in Germany and Baden-Wurttemberg

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Phakoscope designed by Hermann von Helmhotz, made by H. Sittel, Heidelberg, Germany, c.1875, on japanned wooden stand, with leather covered case. used to determine the change in shape of the human crystalline lens when the eye focuses at different distances


Object Number:
brass (copper, zinc alloy), glass, leather, metal (ferrous), paper and wood (japanned)
Normal School of Science

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