Day-to-Day Track Maintenance Part II: Switches & Crossings (1952)

Day-to-Day Track Maintenance Part II: Switches & Crossings

1952 | USA | 21 minut

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Originální název: Day-to-Day Track Maintenance Part II: Switches & Crossings
Žánr: Dokumentární
Režie: C. David Lochner

Continuing the study of the normal tasks performed by a permanent-way gang, this film deals with the maintenance of switches, common crossings and obtuse crossings. These are the fundamental units from which all track layouts, however complicated are built up.