High Pressure Sodium (Vapour) Lamp

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2-3-360

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)

Contrast

Celsius (previously Centigrade)

Capacitance

charge current

Intensity

Illuminance

Energy

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM