Keywords: Geocentric armillary sphere, Charles Francois Delamarche, Paris, c. 1800 - Mathematisch-Physikalischer Salon, Dresden - DSC07985.JPG en Exhibit in the Mathematisch-Physikalischer Salon Zwinger Dresden Germany This artwork is old enough so that it is in the public domain Photography was permitted in the museum without restriction 2013-12-08 07 13 29 own Daderot other versions PD-old-70 cc-zero Uploaded with UploadWizard Armillary spheres in Mathematisch-Physikalischer Salon Zwinger Dresden Charles François Delamarche |