Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 441
MAKE SIGNALS. tried with a lantern burning magnesium ribbon,and doubtless at no very distant day the elec- 428 HOW ARMIES TALK TO EACH OTHER. [Mae. trie light will be used entirely, since from bal-loons or air-ships electric signal-flashes may beread for hundreds of miles over land and sea. The… … THE FLASH LANTERN, FOR SIGNALING AT NIGHT. our country was the best adapted to the pur-pose, because of the long periods of cloudlessweather, the clear atmosphere, and the widestretches of perfectly level country varied bymountain peaks, from whose lofty summitsthe widest extent of country was…
Children's literature
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