MAXWELL, JAMES CLERK. A Treatise on Electricity and Magnetism. Oxford: At the Clarendon Press, 1873. 20 plates. 2 volumes, 8vo, original plum cloth, spines worn (some splitting and chipping) and frayed at ends, some water damage to cloth; shaken. FIRST EDITION, without errata slip in first volume. With 32-pp. publisher's advertisements at end of Vol. II. Honeyman V, 2185; Grolier/Horblit 72 ("Maxwell here advanced the hypothesis that light and electricity are the same in their ultimate nature"); Norman 1566. (2)