NEWTON, I. Philosophiæ Naturalis Principia Mathematica. Perpet. comment. illustr., communi studio Th. Le Seur & Fr. Jacquier. Ed. nova, summa cura rec. Glasgow, G. Brookman for T.T. & J. Tegg, 1833. 2 vols. xxx, (2), 752; xxxvi, 341; (vi), 204, (1) pp. W. num. diagrams in text. Lge-8°. Cont. clothbacked brds., uncut. (Apart from some minor foxing in places in excellent condition). -- Added: J.M.F. WRIGHT. A Commentary on Newton's Principia. Lond., For. T.T. & J. Tegg, (etc.), 1833. 2 vols. x, 458; cii, 381 pp. Lge-8°. Cont. clothbacked brds., uncut. (Spine vol. 2 partly gone, some minor foxing, but clean and good). -- (4).