Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 113
nies com-prise one first-class sergeant, who is also chief ofsection, a second sergeant, two corporals, opera-tors, antenn?e-man, wagoners, guyman, and mes-sengers. The training includes practical instruction un-der experts in the use of all kinds of visual sig-nals with the aid of the heliograph,… … THE BOYS, IN MANY DAYS OF DRILL WORK,LEARN HOW TO SEND AND RECEIVE. send and receive, to listen in on the enemysdespatches, or jam their stations by drowningout their messages. At the present rate of prog-ress the United States will soon have one of themost efficient and enthusiastic wireless…
Children's literature
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