Derby Of Yesteryear - A facinating look at the inside of the Derby Telephone Exchange when we had operators, based in Duckworth Square | Facebook
Property valuation for The Old Telephone Exchange, Cowlishaw Close, Shardlow, Derby, South Derbyshire, DE72 2GS | The Move Market
![Liverpool Exchange Flags Western Approaches HQ WWII Second World War Derby House museum bunker steps access sign Citadel Fortress Citadel Fortress Stock Photo - Alamy Liverpool Exchange Flags Western Approaches HQ WWII Second World War Derby House museum bunker steps access sign Citadel Fortress Citadel Fortress Stock Photo - Alamy](https://c8.alamy.com/comp/PMY8WD/liverpool-exchange-flags-western-approaches-hq-wwii-second-world-war-derby-house-museum-bunker-steps-access-sign-citadel-fortress-citadel-fortress-PMY8WD.jpg)