Quick Facts
Biography
Christian Boyling (flourished in 1669) was a scientific instrument maker.
All that is known for certain about this craftsman is that he was serving as "Mechanic" to the Duke of Saxony in 1669.
He designed and built a perpetual calendar held by the Museo Galileo in Florence, consisting of two overlapping brass plates sandwiching a revolving disk containing twelve enameled disks representing the months (eleven are extant) which show through a widow on the front plate.The finely perforated front plate is decorated with the arms of the House of Saxony.At its center is a circle showing the hours and containing three time disks: amoon phase night clock, a perpetual calendar and a zodiacal calendar showing lengths of the diurnal cycle over the year.