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2. Track lighting - Wikipedia

   en.wikipedia.org/wiki/Track_lighting

   Track lighting is a method of lighting where light fixtures are attached anywhere ... Two H-track fixtures for mains-voltage light bulbs, by Hampton Bay. Model No ...

3. Bardic lamp - Wikipedia

   en.wikipedia.org/wiki/Bardic_lamp

   3/4 front-left view of British Rail Bardic hand-lamp. The Bardic Rail Signalling Lamp was the original name of a particular type of battery powered railway signalling handlamp made from 1962 by Bardic, Ltd. [1] for use by rail and trackside workers.

4. Headlamp - Wikipedia

   en.wikipedia.org/wiki/Headlamp

   One filament is located at the focal point of the reflector. The other filament is shifted axially and radially away from the focal point. In most 2-filament sealed beams and in 2-filament replaceable bulbs of type 9004, 9007, and H13, the high-beam filament is at the focal point and the low-beam filament is off focus. For use in right-traffic ...

5. North American railroad signals - Wikipedia

   en.wikipedia.org/wiki/North_American_railroad...

   A standard high position light consists of two heads; the bottom head can remain dark unless it is needed. In addition to the high position light signals the PRR developed a dwarf position light, as with many railroads, these dwarf signals are also referred to as a "pot," a tradition carried over from the 19th century revolving "Pot Type Signal."

6. Centennial Light - Wikipedia

   en.wikipedia.org/wiki/Centennial_Light

   The pendant light at Fire Station #6 in which the bulb is installed. The Centennial Light was originally a 60-watt bulb, but has since dimmed significantly and is now as bright as a 4-watt bulb. [7] [8] [9] The hand-blown, carbon-filament common light bulb was invented by Adolphe Chaillet, a French engineer who filed a patent for this socket ...

7. Fulton MX991/U Flashlight - Wikipedia

   en.wikipedia.org/wiki/Fulton_MX991/U_Flashlight

   A photograph showing two Fulton MX-991/U Flashlights, next to an unofficial reproduction and a standard angle-head flashlight. The MX-991/U Flashlight (aka GI Flashlight, Army flashlight, or Moonbeam [1]) from the TL-122 military flashlight series of 1937-1944 and is a development of the MX-99/U flashlight issued in 1963 [clarification needed].