Keywords: Mechanical celestial globe, Johannes Reinhold and Georg Roll, Augsburg, 1586, original user's manual by Georg Roll, 1586 - Mathematisch-Physikalischer Salon, Dresden - DSC08075.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 37 26 own Daderot other versions PD-old-70 cc-zero Uploaded with UploadWizard Globes in Mathematisch-Physikalischer Salon Zwinger Dresden Johannes Reinhold Georg Roll |