Newton (Sir Isaac) Optical lectures read in the publick schools of the University of Cambridge, first edition, 13 engraved folding plates, contemporary calf, upper cover detahced, lower joint cracked but holding, extremities worn, [Wallis 190], 8vo, Francis Frayham, 1728.*** Perhaps the rarest Newton imprint, publishing Newton’s lectures on Opticks while lecturing at Cambridge in 1669; the publication of this English translation precedes that of the Latin original. The substance of these lectures anticipate the contents of the 1704 Opticks. Provenance: Richard ?Pooler [ink inscription to title head and front endpaper]