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Reihe IV, Nr 401

Sphere.


Mathematical description
This model is a surface of revolution generated by rotating a curve about an axis. In this case, the surface is the sphere. The model consists of three iron circles representing three maximal circles of the sphere, and three red strings representing their diameters.

Title model and translation
Kugel.
Sphere.

Text sticker and translation
No sticker.

Designer
H. Wiener in Darmstadt.

Company
H. Wiener in Darmstadt.

Original price
Mark 10,-

Dimension
32-32-32 cm

Material
String

Literature
Verzeignis Mathematischer modelle; H. Wieners sammlung mathematischer modelle, Verlagsbuchhandlung B.G.Teubner, Leipzig, 1905