2014年7月8日火曜日

RICHARD LANGE PERPETUAL CALENDAR “Terraluna” and lunar disc of a freestanding cl...

RICHARD LANGE PERPETUAL CALENDAR “Terraluna” and lunar disc of a freestanding clock, Vincent van Amelonsen, 1742



The lunar disc in the background is part of a clock built by Dutch watchmaker Vincent van Amelonsen in 1742. Currently, it is in the workshop run by Frank Dornacher, a Dresden-based watch restoration specialist. Deposits and corrosion will be removed and dis-colourations repaired.



The patented orbital moon-phase display in the RICHARD LANGE PERPETUAL CALENDAR “Terraluna” is located on the movement side of the model. Visible through a round aperture in the celestial disc, which is studded with 2116 stars, the moon orbits around the earth anti-clockwise.





The moon in Saxony’s sciences II





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