Four Mathematical/Scientific Works.

Four Mathematical/Scientific Works. Newton, Isaac, The Mathematical Principles of Natural Philosophy. London: Knight & Compton, 1803, bound in light blue paper, minor loss at edges and corners of front and back covers, volume one of three volumes, frontispiece with portrait of Newton, illustrated throughout with foldouts, 9 x 5 3/4 in.; Einstein, Albert, Relativity: The Special and General Theory. New York: Henry Holt and Company, 1920, bound in dark blue cloth, gilt-lettered title on front cover, frontispiece with portrait of Einstein, signature "ET Healey" on front endpaper, 8 1/2 x 5 3/4 in.; Hammond, Nathaniel, The Elements of Algebra in a New and Easy Method. London: Printed for the Author, 1752, full bound in dark brown leather, some loss and damage to leather, signature "Jacob Leavitt's Book: 1763" on front endpaper, 8 1/4 x 5 1/4 in.; Morse, Jedidiah, Geography Made Easy: Being an Abridgment of the American Universal Geography. Boston: Joseph T. Buckingham, 1804, fully bound in brown leather, gilt-lettered title on spine, foldout map of the world, 7 x 4 1/2 in. Estimate $100-200 Items may have wear and tear, imperfections, or the effects of aging. Any condition statement given, as a courtesy to a client, is only an opinion and should not be treated as a statement of fact. Skinner shall have no responsibility for any error or omission.