Method of the secondary polar orbits
Model 621
Description
Models 621-622: Method of the secondary polar orbits and evolvent gearing as application.
Additions
A slide of this model can be found under the model with number 1432.
Showcase of this model is Case number 55
References
Schilling, Martin(Hrg.): Catalog mathematischer Modelle, Leipzig(Verlag von Martin Schilling) 1911, 7.Auflage, No.344. p. 165.