Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 818
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 therefore already complete. Ry installing 1919] NATURE AND SCIENCE… … WIRELESS TELEPIIOXE RErEIVER the now old-fashioned system of transmissionby wire. The expense of laying costly cablesacross the broad oceans is, of course, saved. To talk across the Atlantic Ocean, it willonly be necessary to talk to the coast by theordinary telephone S}-stcm, and there the wirecan…
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