* More Lux
12th April 1968, Page 38
12th April 1968
Page 38
Page 38, 12th April 1968
— * More Lux
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How many people know what a Lux It has nothing to do with washing small It is one of the expressions we must get use to under the metric system.
A 100W general service lamp emits abo 1, 260 lumens. The amount of light reaching unit area of one square foot has been e) pressed as so many lumens per sq. ft. an written linift2. Lumens are here to sta] and lux is the new term to get used to as a un of illumination—it's one lumen spread ovc a square metre.
When the fitter bawls up from the pi "Not enough , lux", you'll know win he means.