Units installed by Belt Railway, Chicago, on 77 crossover and lap and yard lead switches; tubular type heaters applied on practically all lead and body track switches, all switches equipped being No 9 with 16 1/2-ft points and 100-lb rail; single heating unit, 16 ft in length, installed under head of each stock rail; rating of heater units. (See also Ry Signaling v 32 n 1 pt 1 Jan 1939 p 33-5)
154 electric switch heater units
Ry Elec Engr
Railway Electrical Engineer ; 30 , n 2
1939
3 pages
Article (Journal)
English
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154 electric switch heater units
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