"Tavola Sferica", Cassini, Giovanni Maria
Subject: Cartographic Miscellany
Period: 1788 (dated)
Color: Hand Color
18.1 x 12.9 inches
46 x 32.8 cm
This fascinating sheet featuring five spheres was copied from Antonio Zatta. At center is the largest sphere, which shows various Earth circles projected into the sky at an oblique angle. At left are two smaller projections, Sfera Retta and Sfera Parallela. Thee are two wind roses at right illustrating the winds of the oceans and the Mediterranean.
References: Kanas #7.15.2.
On a watermarked sheet with faint scattered foxing around the centerfold.