(GERMAN EMPIRE.) Christoph Weigel. Discus Cronologicus Omnium S.R.I. Electorum. Engraved circular broadside charting a historical timeline of monarchs of the German Empire from 1200 to 1716 with a movable volvelle arm. 17 1/2x14 1/2 inches sheet size; original hand-color; minor edge wear, unobtrusive repair to pointer. Nuremberg, 1718
