"Carte Generale des descouverte de l'Amiral de Fonte representant la grande probabilite d'un Passage au Nord Ouest par Thomas Jefferys Geographe de Roi a Londres 1768",
Subject: North America
Period: 1777 (published)
Publication: Diderot's Encyclopedea
Color: Black & White
14.8 x 11.5 inches
37.6 x 29.2 cm
Probably the most extravagant of all the NORTHWEST PASSAGE maps. Thomas Jeffreys was an ardent believer in the northern route to Asia and prepared this map to show the passage, and especially its entrance on the west coast, as described by Juan de Fuca in 1592, and in the fictitious story of Bartholomew de Font's discoveries in 1640. Ref: Portinaro and Knirsch #159, Pedley #455, and Hayes #36. Very crisp impression with faint ink offsetting, which can easily be erased.