Difference between revisions of "Low Pressure Sodium (Vapour) Lamp"

Revision as of 11:01, 1 March 2009

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A sodium vapour lamp in which the partial pressure of the vapour during operation is not above a few newtons per square metre.

Reference: C.I.E.

Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

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