Nearly as impressive is it to catch by night the glimmer of the morse code flashing from ships which are revealing their names and journeys to those ever-vigilant watchers in the signal station as they pass.
"Cornwall"
G. E. Mitton
Up to the present time, the chief part of that intercommunication has been effected by means of the morse code, in which a group of long and short signs form the letter or symbol.
"Hertzian Wave Wireless Telegraphy"
John Ambrose Fleming
These two sounds, as already explained, constitute the dot and the dash of the morse signals.
"Hertzian Wave Wireless Telegraphy"
John Ambrose Fleming