As means of providing distinct warning to highway traffic in approach to important grade crossings, Norfolk and Western, has installed short arm electric gates and flashers, with unique arrangement of flashing neon lighting on gate arms in lieu of conventional lamps; each arm is equipped with four to seven red neon glass tubes; diagram shows typical neon lighting and crossing protection circuits.
Neon lighting for crossing-gate arms
Ry Signaling Communications
Railway Signaling and Communication ; 43 , n 8
1950
2 pages
Aufsatz (Zeitschrift)
Englisch
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