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The Epic Interactive Encyclopedia 1998
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Epic Interactive Encyclopedia, The - 1998 Edition (1998)(Epic Marketing).iso
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Lux
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1992-09-03
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SI unit (symbol lx) of illuminance or
illumination (the light falling on an
object). It is equivalent to one lumen per
square metre or to the illuminance of a
surface one metre distant from a point source
of one candela. The lux replaces the
foot-candle (one foot-candle equals 10.76
lux).