Opal Lamp
2-3-235
A lamp in which all, or a layer, of the material of the bulb diffuses the light.
Reference: C.I.E.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
2-3-235
A lamp in which all, or a layer, of the material of the bulb diffuses the light.
Reference: C.I.E.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
ampere
Contrast
Celsius (previously Centigrade)
Capacitance
charge current
Intensity
Illuminance
Energy
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM
