This lot is composed of two charts from Capt. Cook's voyages to the Bering Strait region. The first chart (14 x 8.5") was drawn by Lt. Roberts, Master mate on the Resolution under Cook. It depicts the coastlines of Alaska, British Columbia, and Russia; a note explains that part of the information on the map was obtained from a manuscript chart received from the Russians. The second chart (13 x 8.3") covers the area on either side of the Bering Strait including Norton Sound with the ship's route detailed with day-to-day notations during Cook's voyage in 1779. Details include sections of the coastline and islands with many place names, soundings and anchorages. Both engraved by Thomas Conder.

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Condition: B+

Both with a few closed tears in lower margin and a little foxing, more on the second map. The second map also has a small area of loss in lower margin barely affecting the letter "d" in London in the imprint below the neatline.