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CORONELLI, Vicenzo Maria (1650-1718). [Bound set of gores for a celestial globe, diameter 3½ ft.] Venice: 1698.
CORONELLI, Vicenzo Maria (1650-1718). [Bound set of gores for a celestial globe, diameter 3½ ft.] Venice: 1698. 2° (386 x 239mm). 48 quarter-gores and 2 polar calottes, all printed in counterproof, all folded, together with engraved horizon ring and 4 polar calottes for a smaller 18½ in. diameter globe on one folding sheet bound in at end, together with another sheet with 12 engraved moveable volvelle parts for a nocturnal. (Calottes and sheets at end slightly frayed at edges.) Old pasteboard, most gores uncut preserving many deckle edges (front hinge broken, stained and rubbed); modern vellum-backed box. Provenance : Sotheby's New York 11 December 2009, lot 17. EXTREMELY RARE CELESTIAL GORES PRINTED IN COUNTERPROOF. By printing the gores in counterproof (a process in which a sheet of paper is pressed against a heavily ink print fresh off the copperplate) an image is produced that creates the celestial gores in convex. Whereas most celestial globes are made from concave gores to create a sphere to be seen from without the celestial sphere 'the God’s-eye view', convex gores allow the viewer to see the constellations as they appear in the sky from a geocentric point of view.