Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 817
ele-phone was then tunedin with the apparatuson the steamer, andconversation back andforth was kept up untilthe arrival at Brest,France, a distance ofthirty-two hundredmiles. President Wil-son was thus enabled totalk with Washingtonwithout interruptionthroughout the entire Atlantic crossing.… … GENERATOR (ABOVE) AND CONDENSER (BELOW) IN WIRELESS TELEPHONE PLANT ture. It is not generally known that the greatwireless telegraph stations which have beenbuilt all over the world may be used for thetransmission of wireless-telephone messages. Agreat deal of preliminary work of preparationis…
Children's literature
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