"Horologium Hortzontale Horas a Meridie et Media Nocte Numeratas Continens, ad Latitudinem…", Ritter, Franz
Subject: Cartographic Miscellany
Period: 1640 (dated)
Publication: Speculum Solis
Color: Hand Color
14.2 x 11.5 inches
36.1 x 29.2 cm
Franz Ritter was a German mathematician and astronomer whose works are very rare. This beautiful engraving is a horological diagram with depictions of the Zodiac. It is most remarkable for the elaborately engraved decorative border with a large cartouche and 32-point wind rose.