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The Ifetch Automatic Dog Ball Launcher Is Your Dog's New BFF. Review: "This is our second purchase. First one we had for 4 years! ... #22 This Treat Dispensing Dog Toy Is The Brain Boost Your Dog ...
A Magnetic flagman wigwag signal in use in southern Oregon, June 2007. 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.
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.
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.
Albert Cameron Hunt (3 April 1857 – 2 October 1915) was an American electrician who invented the wigwag, a grade crossing signal used in transportation. [1] Hunt was a mechanical engineer from Southern California.
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