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           | Description | 
           The plugboard of an Enigma machine, showing two pairs of letters swapped: S↔O and J↔A. Deutsch: Steckerbrett  (im Bild ist A mit J und S mit O gesteckert) 
            English: The plugboard (Steckerbrett) is positioned at the front of the machine, below the keys. When in use, there can be up to 13 connections. In this photograph, two pairs of letters are swapped (S↔O and A↔J). 
            Nederlands: Het stekkerbord met enkel ingevoerde stekkerparen. 
            Русский: Коммутационная панель в передней части машины. Могло использоваться до 13 соединений. На фотографии две пары букв переключены (S↔O и A↔J). 
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           | Date | 
           Unknown date | 
          
          
           | Source | 
            , uploaded in english wikipedia on 16. Feb. 2005 by  en:User:Matt Crypto | 
          
          
           | Author | 
           Bob Lord | 
          
          
           Permission ( Reusing this file) | 
           
             Author agreed to license this photograph under the terms of the GFDL after an email exchange with  en:User:Matt Crypto 
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          Permission is granted to copy, distribute and/or modify this document under the terms of the  GNU Free Documentation License, Version 1.2 or any later version published by the  Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled  GNU Free Documentation License.  http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue 
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