Describes a system recently demonstrated at Rochester, N. Y. (2000 w.)
A track circuit block signal for electric railways
Eng News
1903
Aufsatz (Zeitschrift)
Englisch
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Block signaling of electric railways with track circuit control
Engineering Index Backfile | 1904
|Block signal systems for electric railways
Engineering Index Backfile | 1902
|Track construction for electric railways
Engineering Index Backfile | 1900
|Automatic block signaling for single-track railways
Engineering Index Backfile | 1912
|Track circuit developments on the underground railways
Engineering Index Backfile | 1923