Oblate rotation ellipsoid with a geodetical line

Model 33

Category:

A Ia 11; E II 24

Description

Oblate rotation ellipsoid with a geodetic line and envelope of all geodetic lines going through a point (gypsum)

Showcase of this model is Case number 42

References

Separataband M1 im Mathematischen Institut p. 25.

A. v. Braunmühl(1879). Ueber Enveloppen geodätischer Linien. (Mit 1 lithogr. Tafel). Math.Ann., 14. Online version