Difference between revisions of "Low Pressure Mercury (Vapour) Lamp"
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Revision as of 10:07, 25 February 2009
2-3-365
A mercury vapour lamp, with or without a coating of phosphor, in which during operation the partial pressure of the vapour does not exceed 100 newtons per square metre (10-3atmosphere).
Reference: C.I.E.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
