Page 6 - H23
P. 6

Newton’s circular electromagnetic spectrum explains that there is no
     individual wavelength for the colours purple, or brown.  A purple hue emits

     from a mixture of invisible wavelengths between Gamma rays at 100th of a

    nano metre and Radio waves 1 meter or longer.  Also if equal amounts of
    three or more wavelengths in the visible spectrum are reflected, the colour

    brown will be visible. (Please see Fig4.)
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