Movable metal framework to the theory of the null system xy' - x'y + K (z-z') = 0

Model 316

Category:

A VII 45; A VII 41

Description

Movable metal framework to the theory of the null system xy' - x'y + K (z-z') = 0 respectively the pfaffian term x dy - y dx + K dz = 0.

Showcase of this model is Case number 37

References

Schilling, Martin(Hrg.): Catalog mathematischer Modelle, Leipzig(Verlag von Martin Schilling) 1911, 7.Auflage, No.126. p. 130.