Home Guard Manuals.
Some real Harbutts Plasticine, made in Bathampton.
A mechanical computer front view.
Rear view of the Bombe, note the oil drip tray
underneath this mechanical computer.
A Naval Enigma.
A scale model of GCHQ.
The old Post Office.
The signals room that fed
the punch tape to Colossus
Some of the thousand
vacuum tubes in Colossus.
Colossus one of the first program
controlled electronic computers.
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