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German Wehrmacht Morse keys

  • TKP (Maus Ma) - "Mouse" straight key used for Krigsmarine (German Navy) signalers training. On top of TKP straight key there is blinker installed which provides for changing color in the four openings from black to white following hand manipulation. We suggest that such key assemblies were employed in Krigsmarine schools to raise up skills in visual Morse code reception used by sailors. "Maus Ma" is our informal abbreviation.

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