This unusual map depicts the North Pole and shows incomplete northern coastlines for North America and Greenland. Novaya Zemlya is correctly shown as an island facilitating a Northeast Passage to Asia. Above the Pole is Parts Unknown, and three compass roses complete the composition. This is the fourth state of the map, which includes a publisher's imprint, two panels of text flanking the map, and Vol. 1 p. 714 added outside the neatline, at top left. Published in London in Thomas Salmon's Modern History: or the Present State of All Nations.
A fine impression on a sheet with an "H" watermark, faint printer's ink residue at far right, and a printer's crease that just enters the neatline at right. There is light toning and soiling that is confined to the blank margins.