My own preference is for a flat circular disk, oriented parallel to the dial face. This nodus produces a circular, not elliptical, shadow at all times and dates (i.e. regardless of the sun's position). This may seem counter intuitive, but it is true. -Bill Gottesman
In a message dated 7/12/2004 11:44:42 AM Eastern Daylight Time, [EMAIL PROTECTED] writes: > Hi Jim: > > I've always thought a sphere would be best for most nodi (or is it noduses?) > A sphere produces a shadow that is usually elliptical (except when the sun > is directly overhead, then it's a circle) so it is fairly easy to > guesstimate where its shadow's center is -
