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Wig wag (washing machines), a solenoid design used in some brands; Wigwag, the Canadian version of the English Curly Wurly bar; Wigwag, a tool used in watchmaking for polishing parts; WigWag, a Nottingham–based website development and communication company; Wig-wag, a tool used to stack sheets of rubber compound into boxes or onto pallets.
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.
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.
In 1901 US&S developed the first electro-pneumatic automatic train stop system for the Boston Elevated Railway. This system was later adopted by the New York City Subway and other transit systems. [12] In 1908 the company introduced an electrically controlled highway crossing gate. [13] In 1923 US&S developed the first inductive train control ...
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).
A bite tug is an important drive and retrieve building tool [clarification needed] used in dog training. It is used for police, military and Schutzhund dog training. [1] Bite tugs are perfect for puppies but can be used for training adult dogs as well. [2] Bite pillows are larger tugs which are used for precision bite work training.