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  2. Wigwag (railroad) - Wikipedia

    en.wikipedia.org/wiki/Wigwag_(railroad)

    Wigwag is a nickname for a type of railroad grade crossing signal once common in North America, referring to its pendulum-like motion that signaled a train's approach. The device is generally credited to Albert Hunt , a mechanical engineer at Southern California 's Pacific Electric (PE) interurban streetcar railroad, who invented it in 1909 for ...

  3. Wigwag - Wikipedia

    en.wikipedia.org/wiki/Wigwag

    Wigwag (railroad), a type of railroad grade crossing signal; Wigwag (flag signals), a type of flag signal; Wig-wag (sound stage), a red light indicating filming is in progress; Wig-wag (automobile), headlight flasher; Wig wag (truck braking systems), a mechanical arm indicating low brake pressure

  4. Wigwag (flag signals) - Wikipedia

    en.wikipedia.org/wiki/Wigwag_(flag_signals)

    Wigwag flags, wigwag torches and kerosene canteen, and a signal rocket. Wigwag (more formally, aerial telegraphy) is an historical form of flag signaling that passes messages by waving a single flag.

  5. Magnetic Signal Company - Wikipedia

    en.wikipedia.org/wiki/Magnetic_Signal_Company

    The Magnetic Signal Company was an American company based in Los Angeles, California, focused on railway signalling.The company was the manufacturer of the ubiquitous "Magnetic Flagman" wigwag railroad crossing (or level crossing) signal, seen all over California and the western states.

  6. Flag signals - Wikipedia

    en.wikipedia.org/wiki/Flag_signals

    A typical US Signal Corps guidon features wig-wag flags. In the 1850s, U.S. Army Major Albert J. Myer, a surgeon by training, developed a system using left or right movements of a flag (or torch or lantern at night). Myer's system used a single flag, waved back and forth in a binary code conceptually similar to the Morse code of dots and dashes ...

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. HAWK beacon - Wikipedia

    en.wikipedia.org/wiki/HAWK_beacon

    The alternating flashing red (wig-wag) aspect is used in several other applications for vehicle control in the United States. At railroad crossing signals, which several jurisdictions require drivers to treat as stop and stay. On school buses, all states have laws that require drivers to stop and stay upon encountering it.

  9. What is a WAG? Why people are obsessed with athletes ... - AOL

    www.aol.com/news/wag-why-people-obsessed...

    At the time, the publication reported that a spokesperson said WAGs was typically used as "a 'pejorative' phrase to demean a group of women," adding that the media rarely showed these significant ...