Westinghouse heating elements, applied to rails of important turnouts in Gresham interlocking plant in Chicago, by Chicago, Rock Island and Pacific Railroad, consist of coiled nickel chrome wire centered in magnesium oxide and enclosed within nickel silver tube; active heat radiating element of nickel chrome wire is varied in length and in heat output according to location in which it is applied. (see also Ry Eng and Maintenance v 34 n 12 Dec 1938 p 769 and 779)
Electric switch heaters at Rock Island interlocking
Ry Signaling
Railway Signaling ; 31 , n 9
1938
2 pages
Article (Journal)
English
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Electric switch heaters at rock island interlocking
Engineering Index Backfile | 1938
|Electric switch heaters at Rock Island interlocking
Engineering Index Backfile | 1938
|Electric switch heaters at rock island interlocking
Engineering Index Backfile | 1938
|Electric switch heaters at Rock Island interlocking prove their value in severe snowstorm
Engineering Index Backfile | 1939
|Automatic interlocking on rock island
Engineering Index Backfile | 1937