DCB-224
Encyclopedia
The model DCB-224 is a high-power spotlight
designed and built by Carlisle & Finch
. Originally intended for use use as an aero beacon, it was also widely used in marine lighthouse
s.
Depending on the type of bulb installed, the beam could be seen for 18 to 26 nm. The unit consists of a 25 inch aluminum housing with a parabolic
reflector. An electric motor and gearbox drives the optical unit's rotation. They can optionally be fitted with a CG-2P automatic bulb changer .
The letters DCB stand for Directional Code Beacon.
Searchlight
A searchlight is an apparatus that combines a bright light source with some form of curved reflector or other optics to project a powerful beam of light of approximately parallel rays in a particular direction, usually constructed so that it can be swiveled about.-Military use:The Royal Navy used...
designed and built by Carlisle & Finch
Carlisle & Finch
Carlisle & Finch is a producer of nautical equipment and searchlights, and the inventor of the electric toy train. It is headquartered in Cincinnati, Ohio.-History :...
. Originally intended for use use as an aero beacon, it was also widely used in marine lighthouse
Lighthouse
A lighthouse is a tower, building, or other type of structure designed to emit light from a system of lamps and lenses or, in older times, from a fire, and used as an aid to navigation for maritime pilots at sea or on inland waterways....
s.
Depending on the type of bulb installed, the beam could be seen for 18 to 26 nm. The unit consists of a 25 inch aluminum housing with a parabolic
Parabola
In mathematics, the parabola is a conic section, the intersection of a right circular conical surface and a plane parallel to a generating straight line of that surface...
reflector. An electric motor and gearbox drives the optical unit's rotation. They can optionally be fitted with a CG-2P automatic bulb changer .
The letters DCB stand for Directional Code Beacon.