2 stereo's of a gypsum model of a surface of 3. order with the 27 lines
Model 320
Description
2 stereo's of a gypsum model of a surface of 3. order with the 27 lines. With explanation.
Showcase of this model is Case number U 26
References
Andere Stereos siehe auch Bibliothek, Sachkatalog Darstellende Geometrie, 77f (Plastoskopmodelle) 103b (Elementargeometrie, Spezielles).
Separataband M5 im Mathematischen Institut p. 117-124.