Copper-engraving of two armillary spheres, hand-colored. On sheet with onlaid panels of French text on either side, surrounded by elaborate border that includes scenes of putti, globes, instruments, etc. Sheet size 40x56 cm (15¾x22").
Striking engraving of a large pair of celestial globes on ornate rococo-style bases. The Sphère Droite shows Earth at the center and locates the main constellations, the equinox, solstices, etc. The Sphère Parallele is similarly configured, but from a different perspective.
