> Concerning equatorial tables, people seem to be looking at recent patents > for ELABORATE designs (conical rollers and such). But the original Poncet > table is quite simple. I made my 1977 prototype out of wood, with a piece > of Formica for the inclined plane on which one end of the table slides. > My unit has no curved surfaces at all.
I agree - all I see lately are roller bearing designs, not the sliding plane. Smooth, frictionless motion is NOT needed here! > I took it to Turkey for the 1999 > eclipse (latitude 39 N) We went to Romania for 1999... Did you get out before the quake? Dave --------------------------------------------------- https://lists.uni-koeln.de/mailman/listinfo/sundial
