Göttingen Collection of Mathematical Models and Instruments

Two spheres

Model 461

Two spheres
Category:
A XX 13

Description

Two spheres from which one (with hole) is flexible.

Showcase of this model is Case number 42

References

Hilbert, D.; Cohn-Vossen(1932). Anschauliche Geometrie, Springer-Verlag, Berlin, p. 203. Online version