's GRAVESANDE, Willem Jakob (1688-1742). Mathematical Elements of Natural Philosophy, confirm'd by Experiments to Sir Isaac Newton's Philosophy. London: for W. Innys [and others], 1747. 2 volumes, 4°. 127 folding engraved plates, with the initial advertisement leaf in volume I (some plates severely offset onto facing pages of text, a little browning, pen-trial or ill-written signature at head of title of volume I). 19th-century half roan (rubbed). Sixth edition. Babson 69 'The last and best edition, based on the last edition of the Latin original'.