1779 Copper Engraving Diderot Gnomonic Projection Circle Antique Print 2 DDR3

"Gnomonique" This is an original 1779 black and white copper engraving of gnomonic projections. CONDITIONThis 234+ year old Item is rated Very Fine ++. Light aging throughout. No natural defects. No tears. Light water staining. Please note: There is a plate impression bordering the image in this print. Product Type: Original Copper Engraving; Black / White Grade: Very Fine ++ Dimensions: Approximately 7.25 x 10 inches; 18 x 25 cm Authentication: Serial-Numbered Certificate of Authenticity w/ Full Provenance Protection: Packaged in a custom archival sleeve with an acid-free black board (great for display, gift-giving, and preservation) Period Paper is pleased to offer one of the most exclusive and important collections of original copper engravings, related to the arts and sciences, ever produced. The original copper engravings offered here, dating from 1778-1779, were produced to illustrate the articles written over 20+ years for the first edition of the Encyclopedie, ou dictio