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telegraph key

/ˈtɛlɪɡræf kiː/

1 entry

phrase

/ˈtɛlɪɡræf kiː/C1formaltechnicalobsolete
  • ruРучное переключающее устройство, исторически использовавшееся для передачи сигналов азбуки Морзе путём замыкания или размыкания электрической цепи в телеграфных системах.

A manual switching device used historically to send Morse code signals by completing or breaking an electrical circuit in telegraphy systems.

  1. Morse code deviceC1formal

    A specialized electrical switch used by an operator to manually send Morse code signals in telegraphy.

    ruТелеграфный ключ

    • The operator pressed the telegraph key to send the distress signal.
    • He learned to use a telegraph key during his training.
    • The antique telegraph key was displayed in the museum.