Telegraph key
volume
British pronunciation/tˈɛlɪɡɹˌaf kˈiː/
American pronunciation/tˈɛlɪɡɹˌæf kˈiː/

"telegraph key"کی تعریف اور معنی

Telegraph key
01

key consisting of a lever that sends a telegraph signal when it is depressed and the circuit is closed

word family

telegraph key

telegraph key

Noun
example
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