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Old 2nd Oct 2018, 7:51 pm   #8
qazxsw123
Triode
 
Join Date: Nov 2016
Location: Frinton on Sea, Essex, UK.
Posts: 45
Default Re: British Telecom C2 klaxon and control box

I remember one of these used for the 999 trace phone. idea was to let every one know a 999 call needed tracing and it then became a race to answer the phone and trace the call. it was so loud it could be heard down the high street. the phone line was a normal number so people in the know could ring it and see who could run the fastest.
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