Young sailor's assistant in practical seamanship including the rules of the road; directions for resuscitating the apparently drowned, etc., etc., together with the salutes ... naval signal flags, Very's lights, and the international code of signals (1893)
Taunt, Emory H · Washington · leaf 431
THE CAUTIONARY OFF-SHORE SIGNAL. Cautionary against Rough Weather, and against Winds ex*pec ted to be in a Northern or Western direction or Off-Shore. The display of cautionary signals by flags by day andlights by night, is made on occasions of supposed especialdanger, at the following points,…
Navigation · Signals and signaling
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