Imber switch, time fuse, used in France during WWII

Science Museum Group Collection

Imber switch, time fuse, used in France during WWII in Resistance Work against railway movements. Perspex sided box with sensor probe on top. Safety catch to mechanism. Fuse fitted with counting mechanism to count trains before detonation, Dimensions: 65mmx44mmx40mm, (Probe 106mm)

This is an instruction copy of a timer fuse which was used by Allied forces during World War II to disrupt supply lines to German forces.

The Allies developed a device which could blow an explosive charge under or after a train when it was not possible to access the track immediately before the train passed through, for example in the case of ammunition trains which German forces protected by patrolling the track when a train was due.


Miscellanea & Curiosities
Object Number:
imber switch
Van Reimsdijk, J.T.

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