The Bookshelf for boys and girls: Nature and Outdoor Life (1912)
University Society, New York · New York. : University Society · leaf 210
mmu-nication is called wireless telephony, and by it thevery inflections of the voice were carried one third ofthe way around the world and back again, crossingthe Atlantic and a part of the Pacific oceans. The United States Navy has been a leader in thework of conquering the waves of the air, and… … A MARCH FANTASY DRAWN BY I. TABER397 398 NATURES CURIOSITY SHOP By means of wireless telephony the human voicecan travel around the earth seven times in a second.Of course one must have the right kind of a receiverto catch the sound waves, which spread forth in alldirections instead of running…
Children's literature · Children's encyclopedias and dictionaries · Literature · Encyclopedias and dictionaries
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