that during WW2, an 2.5mi stretch of a newly tunnelled London Underground extension was converted to an electronics factory, to replace one that had been bombed in 1940

by | Jun 6, 2022 | Fun Facts, Knowledge Chops


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Fun Fact: that during WW2, an 2.5mi stretch of a newly tunnelled London Underground extension was converted to an electronics factory, to replace one that had been bombed in 1940

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