Tractive armature d-c neutral relay with four or more contact fingers; a-c power supply and distribution calculations; tractive armature d-c polarized relay; a-c circuits and apparatus as applied to automatic train-control and cab-signal systems; proposed inductive coordination measures involving railroad power lines and power equipment.
Committee IV -- Automatic block signaling
Assn Am Railroads -- Proc (Signal Sec)
1936
9 pages
Aufsatz (Zeitschrift)
Englisch
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