The Canal Defence Light (CDL) was a British "secret weapon" of the Second World War, based upon the use of a powerful carbon-arc searchlight mounted on a tank. It was intended to be used during night-time attacks, when the light would allow enemy positions to be targeted.
The Canal Defence Light (CDL) was a British "secret weapon" of the Second World War, based upon the use of a powerful carbon-arc searchlight mounted on a tank. It was intended to be used during night-time attacks, when the light would allow enemy positions to be targeted.
Source: Wikipedia "Canal Defence Light" · CC BY-SA 4.0
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