Keywords: Enigma-rotor-BP.jpg A rotor from an en Enigma machine showing the outer finger grooves the ratchet notches and the circle of 26 pins A Roman numeral VI is visible on the rotor indicating that this was a Naval Enigma rotor This rotor was on display at en Bletchley Park museum Original photograph by en User Matt Crypto released into the public domain en wikipedia 2005-01-01 Matt Crypto wikipedia en Matt Crypto original upload log page en wikipedia Enigma-rotor-BP jpg 2005-01-01 18 18 Matt Crypto 2055×1661×8 555312 bytes <nowiki>An Enigma rotor Original photograph by User Matt Crypto PD </nowiki> Enigma machine rotors |