Opticks-Or A Treatise Of The Refractions İnflections And Colours Light | Gece KitaplığıOpticks Or A Treatise Of The Refractions nflections And Colours Light Kitap Aklamas: Arka Kapak Yazs (Tantm Blteninden)I illuminated also a little Circular Piece of white Paper all over with the Lights of both Prisms intermixed, and when it was illuminated with the red of one Spectrum, and deep violet of the other, so as by the Mixture of those Colours to appear all over purple, I viewed the Paper, first at a less distance, and then at a greater,