Incandescent (Electric) Lamp
A lamp in which light is produced by means of a body heated to incandescence by the passage of an electric current. (Figs. 10 and 22)
Note: According as the luminous element is a filament of carbon or metal, the lamp is called a Carbon Filament Lamp or a Metal Filament Lamp. The latter may be a Straight-Filament Lamp (2-3-175), a Single-Coil Lamp (2-3-180) or a Coiled-Coil Lamp (2-3-185).
Reference: C.I.E. (modified)
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
Celsius (previously Centigrade)
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM