Göttingen Collection of Mathematical Models and Instruments

Case number 42

Oblate rotation ellipsoid with a geodetic line Triaxial ellipsoid with geodetic lines and its envelops Oblate rotation ellipsoid with a geodetical line Prolonged rotation ellipsoid with a geodetic line
Triaxial ellipsoid with main ellipses Bean field for the determination of curvature lines Two spheres Surface of constant width
Measuring apparatus for surfaces of constant width Bean field for the determination of curvature lines Surface of constant width Surface of constant width
Surface of constant width Three single-leaf rotation hyperboloids with different types of geodetic lines Model of a periodic surface (Minimal surface ?) Three single-leaf rotation hyperboloids with different types of geodetic lines
Three single-leaf rotation hyperboloids with different types of geodetic lines Peano surface Double hyperboloid of Hadamard for the study of geodetic lines Minimal surface according to Henneberg
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