Cardboard kit for one of the most ingenious and sophisticated sundials that were ever invented: The Regiomontanus Sundial measures the true local time using the sun's altitude, and certainly different than usual altitude sundials at all latitudes between Oslo and Cairo. She was already in the 15th Century by Johannes Regiomontanus invented the famous astronomer and mathematician of Koenigsberg in Franconia. Incidentally, they also allowed the determination of the rise and set times of the sun for any date and any place, and with the solder on the back quadrant can easily be the sun's altitude (angle above the horizon distance) determined.
Complete with stand Solder ball made ??of brass stable box elegant gold print
Packaging: 300 x 210 x 3 mm