A Quartic Surface which can be constructed as follows. Given a Circle and Plane
Perpendicular to the Plane of , move a second Circle of the same Radius as
through space so that its Center always lies on and it remains Parallel to . Then
sweeps out the Bohemian dome. It can be given by the parametric equations

where . In the above plot, , , and .

**References**

Fischer, G. (Ed.). *Mathematical Models from the Collections of Universities and Museums.*
Braunschweig, Germany: Vieweg, pp. 19-20, 1986.

Fischer, G. (Ed.). Plate 50 in
*Mathematische Modelle/Mathematical Models, Bildband/Photograph Volume.* Braunschweig, Germany: Vieweg, p. 50, 1986.

Nordstrand, T. ``Bohemian Dome.'' http://www.uib.no/people/nfytn/bodtxt.htm.

© 1996-9

1999-05-26