Science Museum visit, 2005

Colour diagram

Colour photography was developed before colour film (with three separate layers of photosensitive silver halide) was invented. Early colour cameras used a lens to separate the red, green and blue components of light; the three components were then reflected onto individual glass plates.

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$Id: gallery_picture.rbx,v 1.5 2007/01/03 12:46:30 stephen Exp $
$Id: gallery_lib.rb,v 1.6 2007/01/02 14:23:38 stephen Exp $