NATS 1870 Chapter : Fall Summary.doc
Document Summary
This passing of a property (colour) through a transmitting medium could be viewed as an early form of a wave theory. 2: leonardo da vinci: primary colours & simultaneous contrast 1) first recognition of a distinction between primary and secondary colours. 2) observations of simultaneous contract, where certain colour placed together will enhance each other"s contrast (blue/yellow, red/green, light/dark. ) 2) spectral colours recombine back to white by passing the spectrum of colours produced after the first prism through a second prism. 3) each basic colour cannot be split up into any more constituent colours: moses harris: subtractive colour system based on surface colours, first subtractive colour system for physical materials like pigments. Red, blue and yellow primaries to 660 distinct colour-units. Johann lambert: first 3d colour system the three basic attributes of colour hue, saturation and brightness are properly varied.
