Geometrical Plan of his Majesty's Dockyard; at Chatham; Print made by Pierre Charles Canot; ca. 1710-1777; French; active in Britain; after Thomas Milton; active 1739-1756; British; shipping by John Cleveley the elder; ca. 1712-1777; British; 1755; Line engraving on medium; moderately textured; cream laid paper; Sheet: 22 1/8 x 28 13/16 inches (56.2 x 73.2 cm); Plate: 19 11/16 x 26 15/16 inches (50 x 68.5 cm); and Image: 18 11/16 x 25 9/16 inches (47.4 x 65 cm)