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Opticks: or, a Treatise of the Reflections - NEWTON, Isaac - 1718. 
Twelve folding engraved plates. 4 p.l., 382 pp., one leaf of ads. 8vo, cont. English panelled calf (well-rebacked with the orig. red morocco label laid-down, two corners a bit worn, a little dusty). London: W. & J. Innys, 1718. Second edition, revised and enlarged by Newton. This is the second issue with the title-page dated 1718 (1st issue: 1717). For this second edition, the first in octavo, the plates were newly engraved to suit the new format. While Newton left the body of the treatise largely untouched, "the number of Queries at the end was increased from 16 to 31, including the celebrated Query No. 28 on the nature of light."-Babson, I, p. 67. Very good copy with a few plates just shaved. Contemporary signature on free front endpaper: "Ex libris Hci Jefferson. ex ColI: Div: Joh: Cant: Dec: 27mo die, 1719. Pre: 6." ? Babson 134.
[Bookseller: Jonathan A. Hill, Bookseller, Inc.]
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