High Pressure Sodium (Vapour) Lamp: Difference between revisions
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A sodium vapour lamp in which the partial pressure of the vapour during operation is of the order of 104newtons per square metre (0.1 atmosphere). | A sodium vapour lamp in which the partial pressure of the vapour during operation is of the order of 104newtons per square metre (0.1 atmosphere). | ||
Latest revision as of 09:00, 17 September 2026
A sodium vapour lamp in which the partial pressure of the vapour during operation is of the order of 104newtons per square metre (0.1 atmosphere).
Reference: C.I.E.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
