Navy ships typically communicate with each other via radio or satellites, but every ship has a few backups just in case. One of the most common backups is the signal lamp, where sailors can send Morse ...
Hazel Picking, who has died aged 100, was a visual signaller in the WRNS during the Second World War. As a Girl Guide, Hazel Roberts (as she was born) had been good at Morse and semaphore, and, coming ...
Morse code, the language of the telegraph, is a system of communication that's composed of combinations of short and long tones that represent the letters of the alphabet. The tones are sometimes ...
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