SUTHERLAND, WILLIAM. The Ship-Builder's Assistant; or Marine Architecture. Containing I. The Method of Extracting the Square and Cube Roots... II. Observations on the Nature and Value of Timber... III. The Method of Drawing the Plans of Ships... IV. Directions for making the Masts and Yards of a just Proportion to the Ship... V. The Boatswains Art... The Whole illustrated with a great Variety of Figures and Draughts, Engraven on Copper-Plates. London, 1755. 4to, contemporary sprinkled calf, rubbed at edges; browned, occasional light foxing. 8 engraved folding plates. Early ownership inscription and bookplate of John Adams (not the President).