TELEGRAPH KEY
(noun)Definitions
There is 1 meaning of the phrase
Telegraph Key.
Telegraph Key - as a noun
Key consisting of a lever that sends a telegraph signal when it is depressed and the circuit is closed
Example Sentences
"The telegraph key is a crucial tool for communication during the early days of telegraphy."
"The operator gently tapped on the telegraph key to transmit Morse code signals."
"The telegraph key was a mechanical switch used to control the flow of electricity in telegraph circuits."
"He pressed down on the telegraph key, sending a series of dots and dashes."
"The telegraph key allowed messages to be sent and received over long distances using telegraph lines."