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FRENCH SEMAPHORE - MODES oF SIGNALLING. — The Story of the Telegraph -- Part I Early Modes of Signalling i RoM THE EARLIEST TIMES THE ANCIENTS USED To MAKE FIRES ON THE SUMMITS OFHILLS AN HAS ALWAYS SOUGHT OR THE TOPS OF ToweRs | 2 7 NIGHT- THROL GHOUT THE, Yo OVERCOME. DISTANCE TO SIGNAL IMPORT- _ WP MDDLE AGES,- THE IN COMMUNICATING WITH =1 [| ANT MESSAGES TO 4 FLARE OF WATCH -FIRES GAVE { DistanT FrienDs. - IEEAAD, y WARMING OF THE APPROACH OF ‘ . 2 P : . A HOSTILE ARMY, —o -.MOKB TALK WAS THE Tl \GRALLING WITRLIGUTS HAS 7, .mne MANY SAVAGE PEOPLES PRIMITIVE TELEGRAPH " BY 7" FIQURED N MaNy FAMOUS . / THE TMROBBING BEAT OF THE- WHICH THE APACHES AND> s : / REAT WAR TOM-TOMS, = NAVA [0S OF THE SouTHWEST | |4 2 / fiw FOR MILES,~ SIGNALLED> EACH OTHER, THE TRIBAL FROM MESA TO MESA. SUMMONED> - WARRIORS FROM AFAR. 1T WAS TWO LIGHTS DISPLAYED N THE BELPRY OF OLD SOUTH CHURCH, BOSTON, THAT SENT =~ B Paul REVERE GALLOPING ON A CODE OF SMOKE i HiS WAY TO WARN THE MINUTE PUFFS CONVEVED THE s MESSAGE—. o o === a THE SEVENTIES AMERICAN PATROLS, FIGHTING e — Ev:ms_?g_____.#, INDIANS IN THE WEST, COMMUNICATED WITH EACH v m = % B-- FORM OF SIGNALLING | STILL WIDELY LUSED, — INTO PoTS” AND DASHES. — . —— 70 B& CONTINUED. - & / ‘l‘ 5 A | APART RELAVED THE NEWSOF R il | oF A MIRROR ON A TRIPOD, CON - THE OPENING OF IHE ERIE | “K REFLECTED SUNLIGHT canaL (1825)FRoM ALBANY ERTED THRE b .TO NEW YORIK IN 90 MINUTES