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Vision Light and Colour
How Light is Produced
Practical Sources of Light
1 other sections not shown
absorbed absorption achieved acid actinic applied areas atoms blue burning-in camera chemical chromium coating collodion colloid colour temperature contact printing copies copper deep-etch density diazo compound diazo-sensitized dichromate discharge lamps dye-coupling effect efficiency electrical Electrophotography emission emulsion etching exposed exposure film fluorescent frame gelatin give glass gravure heat incandescence infra-red intermediate involved layer lens letterpress light sources lithographic mercury vapour metal method molecular molecules negative negative-working normal operation original oxidation paper photoengraving photographic photolithography photopolymer photoreproduction photosensitive pigment plate polyester film positive positive-working possible pressure produced purpose radiant energy radiation reaction rely repro reproduction reprographic resin resist result retina salts screen sensitive material sheet silver halide silver nitrate silver-sensitized materials sodium solid solution spectral spectrum spirit duplicating stencil substance suitable techniques tion transfer transmission tube tungsten tungsten filament ultra-violet wave wavelength xenon