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  2. Searchlight - Wikipedia

    en.wikipedia.org/wiki/Searchlight

    A searchlight (or spotlight) is an apparatus that combines an extremely bright source (traditionally a carbon arc lamp) with a mirrored parabolic reflector to project a powerful beam of light of approximately parallel rays in a particular direction. It is usually constructed so that it can be swiveled about.

  3. German searchlights of World War II - Wikipedia

    en.wikipedia.org/wiki/German_searchlights_of...

    The 200 cm searchlight was deployed at the center of a triangle formed by the 150 cm searchlights. The smaller searchlights deployed at a distance of about 2.5 kilometres (1.6 mi) from the larger central "master" searchlight. The master searchlight would find the target, and the 150 cm lights would cone the target, providing solid triangulation.

  4. Searchlight Control radar - Wikipedia

    en.wikipedia.org/wiki/Searchlight_Control_radar

    Searchlight Control, SLC for short but nicknamed "Elsie", was a British Army VHF-band radar system that provided aiming guidance to an attached searchlight.By combining a searchlight with a radar, the radar did not have to be particularly accurate, it only had to be good enough to get the searchlight beam on the target.

  5. List of radar types - Wikipedia

    en.wikipedia.org/wiki/List_of_radar_types

    RAF Boeing E-3 Sentry AEW1 with rotating radar dome. The dome is 30 ft (10 m) across. The E-3 is accompanied by two Panavia Tornado F3. Early Warning (EW) Radar Radar Systems Ground Control Intercept (GCI) Radar; Airborne Early Warning (AEW) Airborne ground surveillance (AGS) Over-the-Horizon (OTH) Radar

  6. SCR-268 radar - Wikipedia

    en.wikipedia.org/wiki/SCR-268_radar

    By rotating the handwheel until the reference blip overlapped the one returned from the antenna, the timing could be read from the wheel. Range accuracy was about plus or minus 200 yards. The system also included two sets of "repeaters" that sent the directional information to a searchlight, and both the directional and range (as dialed in on ...

  7. Emergency vehicle lighting - Wikipedia

    en.wikipedia.org/wiki/Emergency_vehicle_lighting

    A fire truck responding with rotating red lights in Toronto The parts and workings of a rotating light: Top The assembled beacon, including an optional mirror to be used when the beacon is placed in the windshield or rear window. Center The beacon, with the mirror removed.

  8. AOL

    search.aol.com

    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

  9. North American railroad signals - Wikipedia

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

    In the UK, original electromechanical searchlight signals consisted of a low-power incandescent bulb mounted behind a semaphore spectacle devoid of a blade behind a target. The Union Switch and Signal Company searchlight signal ubiquitous to the United States has an internal cable with weights system to mechanically align the signal in the red ...