Barrier manufactured by Westinghouse Brake and Signal Co for protection of highway crossings or for controlling traffic in factories and other places; it consists of 5-1/2-in. diam tubular post to which electrically driven operating mechanism is attached. (See also Engineer v 194 n 5057 Dec 26 1952 p 875)
Electrically-operated traffic barrier
Engineering
Engineering ; 175 , n 4537
1953
2 pages
Article (Journal)
English
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Electrically-operated traffic barrier
Engineering Index Backfile | 1952
Mineral and goods traffic electrically operated
Engineering Index Backfile | 1919
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