Details of 54-lever interlocking, installed by Santa Fe, which protects crossings of double-track Santa Fe line with Oklahoma City line of Rock Island and Fort Worth and Denver City line of Burlington.
Electric interlocking involves three roads at Amarillo, Tex
Ry Signaling
Railway Signaling ; 28 , n 10 ; p 515-517
1935
3 pages
Aufsatz (Zeitschrift)
Englisch
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