Difference between revisions of "Nigrescence Time (of a lamp)"

From International Dictionary of Marine Aids to Navigation
Jump to navigation Jump to search
m (1 revision)
m (1 revision)
(One intermediate revision by the same user not shown)
(No difference)

Revision as of 10:01, 1 March 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)