Ptolemaic Armillary Sphere by Delamarche
A Charles-FranÃ§ois Delamarche (1740-1817)Â Â Ptolemaic Armillary Sphere,Â Paris circa 1780.Â A French Ptolemaic armillary sphere, of traditional form, pasteboard with applied engraved paper calibrations, on ebonized wood stand. It dates from the Louis XVI period in France. The names of the rings and geographical information on the globe are printed in French. 34 cm High.