Receiver Carrier WB400A

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Receiver carrier WB400A
Manufacturer (Unknown)
Production years 1960
Production location (unknown)

Receiver carrier WB400A, c.1960 This small item was a significant part of Britain’s nuclear early warning system. It was located in police stations and emergency services buildings across the UK. In an emergency these units would have distributed warnings of imminent air or nuclear attack.

[edit] How it works

This is a special telephone receiver that was only able to receive one channel, the emergency hotline which warned of nuclear attack.

[edit] Memories

As an ex-BT engineer I remember these all too well. Every major Trunk Switching Exchange would have one sitting in a corner somewhere bleeping away loudly to itself about once a second. Little wonder that the staff in many exchanges would either turn them down or completely off!

— M. Butler



[edit] In the Science Museum

The Museum acquired this object in 2004 from the BT Group plc Inv. No: 2004-207

Dan Dare & the Birth of Hi-Tech BritainThis object is currently on display in the Dan Dare & the Birth of Hi-Tech Britain exhibition at the Science Museum, London.
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