Difference between revisions of "Nigrescence Time (of a lamp)"
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Revision as of 00:01, 25 February 2009
2-3-280
The time elapsing between the cessation of the supply of power to the lamp and the decrease of luminous intensity or luminous flux of the lamp to a specified percentage of the nominal value at the given power level.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
[[Category:2.3 Light Sources]