Des Barres, J.F.W. FALMOUTH HARBOUR, FORE RIVER AND PORTLAND SOUND. Copper engraving, 1777 (Printed 1781). The second state, with the topographical shading and the water depth measurements. 30 x 21 inches, 740 x 530 mm. (image) plus irregular margins. With the engraved inscription "Pub. Accor. to Act Jan 1 1781 by J.F.W. Des Barres, Esq." In very good condition except for losses at the sheet edges, none touching the image. From The Atlantic Neptune.
