Three decorative copper engravings each showing a pair of artificial spheres. Plate 1: Sphère Droite & Sphère Parallele. Plate 2: Sphère de Copernic & Sphère de Ptolomee. Plate 3: Globe Terrestre & Globe Celeste. Each with original hand coloring in the spheres, and surrounded by elaborately engraved ornate (uncolored) borders.
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Condition: B
Damp stain affecting margins and just a bit of the borders. The three sheets.