Opticks: or, a Treatise of the Reflections, Refractions, Inflections and Colours of Light

Twelve folding engraved plates. 4 p.l., 382 pp., one leaf of ads. 8vo, cont. calf (small portions of ends of spine & one corner carefully repaired), spine gilt, red morocco lettering piece on spine. London: W. Innys, 1730.

Fourth edition, and the final edition to be revised by Newton, of this great classic. It contains the complete set of 31 Queries which reveal some of Newton’s most influential and speculative writing. Fine crisp copy. Contemporary armorial bookplate of Edward Powell.

❧ Babson 136.