Two sextuples of Skew Lines on the general Cubic Surface such that each line of one is Skew to one Line in the other set. Discovered by Schläfli.

**References**

Fischer, G. (Ed.). *Mathematical Models from the Collections of Universities and Museums.*
Braunschweig, Germany: Vieweg, p. 11, 1986.

© 1996-9

1999-05-24