Level-Crossing Gates (1956)
Staff Instructional : Signals and Telecommunications Series

Part 1: General - 15 minutes
Salient points in the mechanism of various types of level-crossing gates are shown and explained.

Part 2: Mechanism - 10 minutes
One representative type of level-crossing gate is selected and its mechanism and working principles shown in detail.

Part 3: Maintenance - 20 minutes
The lineman and his assistant are shown inspecting, cleaning and adjusting the parts of a typically mechanically-operated level-crossing gate.

16mm & 35mm

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