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Day-to-Day Track Maintenance Part II: Switches & Crossings
JAN 2, 1952 · 21 MIN · DIR. C. DAVID LOCHNER
Documentary
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.
