Opticks: or, A treatise of the reflections, refractions, inflexions and colours of light : also two treatises of the species and magnitude of curvilinear figures (1704)
Newton, Isaac, 1642-1727, Hemming, G.W., former owner. DSI, Burndy Library, donor. DSI · London : Printed for Sam. Smith, and Benj. Walford ... · leaf 193
Optics
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.