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Serie V, Nr 4

Generalized helicoid with constant negative curvature.


Mathematical description
The generalized helicoid is a surface generated by a plane curve which is rotated uniformly about an axis and at the same time translated in the direction of the axis with constant velocity. This surface has constant negative curvature.

Title model and translation
Schraubenflächen von constantem negativen Krümmungsmass.
Generalized helicoid with constant negative curvature.

Text on Sticker and translation
Schraubenfl. const. negat. Krümmung.
Helicoid with constant negative curvature.

Designer
Dr. P. Vogel under the supervision of Dr. A. Brill
München in 1880

Company
Martin Schilling in Halle a.S.

Original price
Mark 18,-

Dimension
24-15-15 cm

Material
Plaster

Literature
Schilling, M., Catalog mathematischer Modelle für den höheren mathematischen Unterricht, Leipzig: Verlag von Martin Schilling, 1911