Göttingen Collection of Mathematical Models and Instruments

Case number 19

42 different polyhedra from 1780 42 different polyhedra from 1780 42 different polyhedra from 1780 Fresnel wave surface for optic biaxial crystals
Fresnel wave surface for optic biaxial crystals Fresnel wave surface for optic biaxial crystals Fresnel wave surface for optic biaxial crystals Fresnel wave surface for optic biaxial crystals

The corresponding bottom case is: Case number U 19

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