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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. He invented the wigwag in the early 1900s out of the necessity for a safer railroad grade crossing.
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 ...
Wigwag is the nickname given to a type of early 20th century railroad grade crossing signal, so named due to the pendulum-like motion it used to signal the approach of a train. It is generally credited to Albert Hunt, a mechanical engineer at Southern California 's Pacific Electric interurban railroad who invented it in 1909 out of the ...
In its heyday, the Magnetic Signal Company not only manufactured wigwag signals, but also the alternating-flasher type [2] railroad signals, reflectorized "Railroad Crossing" [3] signs, button reflectors for highway signs, traffic island beacons, curb beacons, flasher relays, automobile and bicycle reflectors, and even a "Portafount" portable ...
Wigwag_tree_station,_upper_Potomac.png (339 × 588 pixels, file size: 169 KB, MIME type: image/png) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Wigwag_masthead_signal_station,_Richmond.png (365 × 543 pixels, file size: 138 KB, MIME type: image/png) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Wigwag (more formally, aerial telegraphy) is an historical form of flag signaling that passes messages by waving a single flag. It differs from flag semaphore in that it uses one flag rather than two, and the symbols for each letter are represented by the motion of the flag rather than its position.
Albert James Myer (September 20, 1828 – August 24, 1880) was a surgeon and United States Army general. He is known as the father of the U.S. Army Signal Corps , as its first chief signal officer just prior to the American Civil War , the inventor of wig-wag signaling (or aerial telegraphy ) , and also as the father of the U.S. Weather Bureau .