Distinguishing feature of progress since war, apart from civil engineering work of restoring damaged bridges, stations, etc, is great extension given to electrification and especially to application of 25,000-v 50-cycle system; for 914 mi operated electrically, 23 substations suffice as against 26 needed for 195 mi between Paris and Dijon with 1500-v d-c system; types of locomotives employed.
Modernising French railways
Engineering
Engineering ; 179 , n 4656
1955
Aufsatz (Zeitschrift)
Englisch
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