telegraph key in English
noun
1
a button that is pressed to produce a signal when transmitting Morse code.
This was a five-key device based loosely on the telegraph key in which the transmission of information involved specific combinations of keys rather than the distinct meaning assigned to each key of the QWERTY typewriter keyboard.
Use "telegraph key" in a sentence
Below are sample sentences containing the word "telegraph key" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "telegraph key", or refer to the context using the word "telegraph key" in the English Dictionary.
1. On December 2, 1916, President Woodrow Wilson pressed the telegraph key that turned on the lights, successfully illuminating the statue.