Keywords: Astrolabe (exploded view), Johannes Praetorius, Nuremberg, 1568 - Mathematisch-Physikalischer Salon, Dresden - DSC08069.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 36 16 own Daderot other versions PD-old-70 cc-zero Uploaded with UploadWizard Astrolabes in Mathematisch-Physikalischer Salon Zwinger Dresden Johannes Praetorius |