The non-integrabel pfaffian problem ydx - xdy + k dz = 0

Model 279

Material:	Category:
Kartonscheiben	A VII 41; A VII 45; J 3

Description

The non-integrabel pfaffian problem ydx - xdy + k dz = 0. The surface elements are realized through carton discs; they are not summable to surfaces.

Showcase of this model is Case number 16

References

Brunn(1898). Brief zur Schenkung. Online version