Helical surface

Model 71

Constructor:	Category:
Assistent C. Tesch	E VI 8

Description

Helical surface. About 50 cm high. Brass wire.

Showcase of this model is Case number 39

References

Schilling, Martin(Hrg.): Catalog mathematischer Modelle, Leipzig(Verlag von Martin Schilling) 1911, 7.Auflage, No.273. p. 152.

Separataband M1 im Mathematischen Institut p. 315.