Signalling Record Society
Signalling Primers and Educational Videos
A V Morton, Signalling Engineer of the London Midland & Scottish Railway at Crewe once described tappet locking as something simple but as annoying as a crossword puzzle to work out. In this video Charles Weightman explains with the aid of a wooden demonstration unit, just how the mixture of locks and releases works to enforce safe working of traffic.
|Filmed by:||George Duncan & Richard Pulleyn|
|Narrator:||Charles Weightman assisted by Richard Pulleyn|
|Video Editor:||George Duncan|
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