Ardois system
Englisch
Bedeutung Ardois system Bedeutung
Was beudeutet auf Englisch Ardois system?
Ardois system
properNoun
—
(historical) A system used by the US Navy in the late 19th century to enable ship-to-ship communications at night. Each installation used a series of eight double lamps (four red and four white) hung from a mast and used to transmit visual codes.
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