Characteristics of layout at junction station of Lyss, which comprises 50 electrically operated points, 15 running signals, 52 ground dwarf signals (position-light 3-aspect signals) and 62 track circuit sections.
Relay interlocking on swiss federal railways
Ry Gaz
Railway Gazette ; 105 , n 3 ; p 80-83
1956
4 pages
Aufsatz (Zeitschrift)
Englisch
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