Life On The Exchange - Stories From The Hello Girls - Science Museum Blog
Old fashioned telephone exchange hi-res stock photography and images - Alamy
I worked in telephone exchanges around Sussex in the 60s& 70s | Telephone exchange, Old phone, Vintage telephone
Vintage days of the phone exchange across Essex | Gazette
Old Photos of Essex Kent & London - Telephonists manning the International switchboard at the General Post Office's International Telephone Exchange, Faraday Buildings, London. August 1961. | Facebook
Inside a BT Exchange - Telephones UK
Section of CB1 manual telephone exchange switchboard from the Enfield telephone exchange, 1925-1960 | Science Museum Group Collection
Early manual telephone exchanges and their operators