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Démonstrations Géométriques, des Sphères Droite, Paralelle, et Oblique: Brion de la Tour c. 1770

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  • Title: Démonstrations Géométriques, des Sphères Droite, Paralelle, et Oblique
  • Author: Louis Brion de la Tour
  • Date: c. 1770
  • Medium: Hand-colored copperplate engraving
  • Condition: Very Good - foxing and age toning, paper loss in left margin, tide marks in lower corners
  • Inches: 14 1/8 x 11 1/8 [Paper]
  • Centimeters: 35.88 x 28.26 [Paper]
  • Product ID: 102029

"Geometric Demonstrations of Straight, Parallel, and Oblique Spheres"

Image depicting the axes of the earth as viewed from different perspectives. Includes a compass rose at center and a diagram of the refraction of sunlight.