Matches in DBpedia 2015-10 for { ?s ?p "Guardian Exchange was an underground telephone exchange built in Manchester in 1954. It was built together with the Anchor Exchange in Birmingham and the Kingsway exchange in London - all believed to provide hardened communications in the event of nuclear war. Today the underground site is used for telephone cabling. Constructed at a depth of 35 metres (115 ft), the tunnels are about 2 metres (80 in) in diameter."@en }
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- Guardian_telephone_exchange comment "Guardian Exchange was an underground telephone exchange built in Manchester in 1954. It was built together with the Anchor Exchange in Birmingham and the Kingsway exchange in London - all believed to provide hardened communications in the event of nuclear war. Today the underground site is used for telephone cabling. Constructed at a depth of 35 metres (115 ft), the tunnels are about 2 metres (80 in) in diameter.".