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PREPARATION OF SENSITIVE MATERIALS
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acid amount angle aperture apparatus background blue bromide camera axis characteristic curve chemical chrome alum colour temperature condenser correct darkroom density depth of field developing agents diaphragm distance effect emulsion enlarger exposed exposure filter fixer flash flashbulb fluorescent focal length focus focusing gamma gelatine glass grains green hardening high contrast horizontal hydroquinone illumination increase infra-red intensifying screens intensity lamp latent image layer lens lenses light source median plane medical photography metol microscope mirror negative material normal object obtained optical panchromatic paper patient photoflood photographic placed plates position produce radiation radiograph range rays record reduce reflected reflector rinse safelight scale sensitive material SENSITOMETRY shutter side silver halide sodium sodium sulphite sodium thiosulphate solution specimen speed standard studio subtractive colour suitable sulphite surface thiosulphate tion tones transmitted transparency tube tungsten vertical washing wavelength x-ray film yellow