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Serie V, Nr 3

Generalized helicoid with constant positive 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 positive curvature.

Title model and translation
Schraubenflächen von constantem positiven Krümmungsmass.
Generalized helicoid with constant positive curvature.

Text on Sticker and translation
Schraubenfl. const. posit Krümmung.
Helicoid with constant positive curvature.

Th. Kuen under the supervision of Dr. A. Brill
München in 1880

Martin Schilling in Halle a.S.

Original price
Mark 15,-

24-15-15 cm


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