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Edition cover

A mnemonic device for memorizing the International Morse Code

  • Alfred Eli Johns

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Genres

  • Mnemonics
  • Morse code
  • Signals and signalling
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About the author

  • Alfred Eli Johns

    born 1901

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    0 ratings · 2 works

Editions

  • Edition cover

    Sessions Prtg. Co.

    1943