- two-position signal
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двухпозиционный сигнал
Англо-русский словарь технических терминов. 2005.
Англо-русский словарь технических терминов. 2005.
Signal Corps in the American Civil War — U.S. Army Signal Corps station on Elk Mountain, Maryland, overlooking the Antietam battlefield. The Signal Corps in the American Civil War comprised two organizations: the U.S. Army Signal Corps, which began with the appointment of Major Albert J … Wikipedia
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position light signal — noun : a fixed railroad signal that gives its indications by varying the positions of two or more lights … Useful english dictionary
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