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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.

**Designer**

Th. Kuen under the supervision of Dr. A. Brill

München in 1880

**Company**

Martin Schilling in Halle a.S.

**Original price**

Mark 15,-

**Dimension**

24-15-15 cm

**Material**

Plaster

**Literature**

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