In the shack the dry, staccato sound of a Morse key filled the room.
I had a white light at the masthead visible all round which was coupled to a Morse key for signalling.
From behind it came voices, and the clatter of Morse keys.
Morse keys can be manufactured quickly, and investors found to fund the telegraph wire network.
They connected the Morse key and the earphones.
He set up the Morse key and turned to the page of his notebook on which he had already reduced the message to code.
It's a kind of individual style, if you like - a distinct way in which the Morse key is handled.
There was a click in his throat, as clear as the letter E sent on a Morse key.
Candidates are required to transmit by using a Morse key for five consecutive minutes at the minimum speed of five words per minute.