4to., (10 6/8 x 8 4/8 inches). Letterpress title-page, 18 pages (one or two insignificant marginal spots). Fine large engraved folding map "Carte des nouvelles decouvertes au nord et de la mer du sud" with original hand-color in outline by Phillippe Buache and Joseph-Nicolas Delisle (possibly supplied). Woodcut device on title-page, headpieces and initial. Modern red morocco backed marbled paper boards, uncut.
First edition, first issue, showing de Fonte's route along the coastline. First presented by Delisle in manuscript by Buache to the Academie des Sciences on the 8th of April 1750, to illustrate Delisle's memoir (an abridged history) of the recent Russian explorations and discoveries in Alaska, and the spurious voyages of one Admiral Bartholomew de Fonte. De Fonte's tale was first published in 1708, and his supposed discovery of a Northwest passage from the Atlantic to the South and Tartarian seas inspired generations of explorers to make voyages of discovery in the region. The chart shows in detail the explorations in the North Pacific of Vitus Bering in 1728 and 1741; Joseph Nicolas Delisle's voyage with Captain Tchirkov in 1741; and De Frondat's voyage from China to California in 1709. Also depicted are the routes of Spanish Galleons from Acapulco in Mexico to Manilla in the Philippines. Wagner "Northwest Coast", 1570 and chapter XXII. A FINE COPY. Catalogued by Kate Hunter