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Flags as a Means of Signalling—Army Signalling—the Morse Alphabet—Navy Signalling—First Attempts at Sea Signals—Old Signal Books in Library of Royal United Service Institution—"England expects that every man will do his duty"—Sinking Signal Codes on defeat—Present System of Signalling in Royal Navy—Pilot Signals—Weather Signalling by Flags—the International Signal Code—First Published in 1857—Seventy-eight Thousand Different Signals possible—Why no Vowels used—Lloyd's Signal Stations
Alphabetical Index to Text
141
Index to coloured Plates
149
