Light signals, automatically controlled, replace manually worked signals at level crossings between two light railways, near Ziesar, Germany. Extracts of article from Zeit fuer das gesamte Eisenbahn -- Sicherungs- u Fernmeldewesen Oct 10 1938.
Automatic interlocking in Germany
Ry Gaz
Railway Gazette ; 70 , n 4 ; p 138
1939
Aufsatz (Zeitschrift)
Englisch
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