Keywords: Mining compass owned by Elector August of Saxony, German, 1561 - Mathematisch-Physikalischer Salon, Dresden - DSC08009.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 21 15 own Daderot other versions PD-old-70 cc-zero Compasses in Mathematisch-Physikalischer Salon Zwinger Dresden Uploaded with UploadWizard Mine compasses Augustus I Elector of Saxony |