"The Newly Improved Armillary or Artificial Sphere", Anon.
Subject: Cartographic Miscellany
Period: 1795 (circa)
Color: Hand Color
8.1 x 10.3 inches
20.6 x 26.2 cm
This interesting engraving shows this ingenious device, used for resolving many problems in astronomy and spherical trigonometry.
Light spots and some soiling in the blank margins.