Boy's surface with symmetry axis
Model 373
Description
Boy's surface with symmetry axis. Wire gauze.
Showcase of this model is Case number 27
References
Schilling, Martin(Hrg.): Catalog mathematischer Modelle, Leipzig(Verlag von Martin Schilling) 1911, 7.Auflage. p. 78.
Separataband im Mathematischen Institut, M40: Dissertation Boy,W. p. 1-61.