The catenary system with swing brackets is said to combine saving in construction material with a highly efficient regulation of sag.
Movement in catenary construction trolley lines
Bewegungsvorgange in Kettenfahrleitungen elektrischer Bahnen
Elektrische Kraftbetriebe und Bahnen ; 19 , n 8
1921
5 pages
3 Figs.
Aufsatz (Zeitschrift)
Deutsch
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