15 Feb
2007
15 Feb
'07
6:39 p.m.
On 2/15/07, David W. Cantrell <DWCantrell@sigmaxi.net> wrote:
Here's the simplest egg-shape known to me: http://img179.imageshack.us/img179/7915/eggxw7.gif.
IIRC, it is the shape used by Arnault of Zwolle (ca. 1450) in describing his lute. Its construction is so simple that I think, before giving it, I should ask if others can figure it out first.
David
Huh --- I fiddled (or maybe luted) around here trying to join a circular arc to a parabolic arc, matching both tangent and curvature --- eventually realising to my disgust that it cannot be done! WFL