![](http://www.alamy.com/thumbs/6/A980E340-CFF6-48E9-A77F-53E5A2FECA68/2N4J6X8.jpg)
The plugboard from a rare German naval 'Enigma' machine at Bletchley Park.
Size: 4800px × 3200px
Location: Bletchley Park
Photo credit: © Pez Photography / Alamy / Afripics
License: Royalty Free
Model Released: No
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