 Photograph of an ECM Mark II rotor cage removed from the machine. On the left is the shaft that holds the cipher rotors in place. The index rotor shaft is partially removed. Photograph by Richard Myrick.
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Photograph of an ECM Mark II rotor cage removed from the machine. On the left is the shaft that holds the cipher rotors in place. The index rotor shaft is partially removed. Photograph by Richard Myrick.
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