Light Straw ATE

Enter the world of operator connected calls, Subscriber Trunk Dialling, Strowger switching and much more...

Visit the Post Office Tower; the Telephone Managers' Office; explore the Telecoms Engineering Centre; and learn about the last two TXE4s to be taken out of service.


Includes GPO Clock Systems.

GPO History


Here we look at the GPO, Royal Mail, Post Office Savings Bank, ERNIE, National Giro and more...

Includes GPO vehicle history.

Telecoms at Bletchley Park

The GPO's expertise from its research department at Dollis Hill was invaluable in assisting Bletchley Park to develop robust, electro-mechanical machines which could be used to break the wartime codes. Telephone switching technology, with its logical stepping sequences, formed the basis of many elements of the code-breaking machines.

The Light Straw and associated pages have been on-line since 19th August 1997 with domain names active from October 1999. 'Light Straw logo' as photographed by Tony Inglis.

Domains include Fynevue, My GPO Family, and Lightstraw derivations.

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These pages are produced under the shadow of the Twin Towers, although Light Straw shines brightly through the darkness.