Polar Hemispheres world map, 1793.

"A New Map of the World in Three Sections; Wherein the several Discoveries of the British Navigators to the Present Time are distinctly and accurately Laid Down. By J.Bayly, Geographer, 1782" copper engraved map by J.Bayly, published by Harrison & Co. in The Geographical Magazine ...., 1793 (map dated 1782). Close cropped to left and right margins, with small loss and repair lower left. Recent hand colour. Size 42.5 x 24 cms, plus margins. Ref G2987