Cubic surface with with a biplanar and 2 real conic double points

Model 146

Category:

A IV 12-26

Description

Cubic surface with a biplanar double point B₄ with a real pair of tangent planes. In addition, the surface has 2 real conic double points. Gypsum.

Showcase of this model is Case number 4

References

Schilling, Martin(Hrg.): Catalog mathematischer Modelle, Leipzig(Verlag von Martin Schilling) 1911, 7.Auflage, No.55. p. 118.

Fischer, Gerd(Hrg.): Fotoband: Mathematische Modelle / Mathematical Models, mit 132 Fotografien, Braunschweig/Wiesbaden (Vieweg) 1986, picture(s) 24. .

Fischer, Gerd(Hrg.): Mathematical Models, Commentary, Braunschweig/Wiesbaden(Vieweg) 1986. .

Rodenberg. Modelle von Flächen 3. Ordnung . Online version