For track circuits largely used in connection with railway signaling it is essential that ties should have high electric resistance; some methods of meeting these requirements, investigated by Railway Executive, London Midland Region, are described.
Measurement of railway sleeper resistance
Engineering
Engineering ; 166 , n 4308 ; p 188
1948
Aufsatz (Zeitschrift)
Englisch
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Elastic hollow railway sleeper
Engineering Index Backfile | 1931
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