Phakoscope designed by Hermann von Helmhotz, made

Made:
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

Details

Category:
Optics
Object Number:
1878-74
Materials:
brass (copper, zinc alloy), glass, leather, metal (ferrous), paper, wood (japanned)
credit:
Normal School of Science
status:
Permanent collection

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