. Radio, miracle of the 20th century ... a story of human achievement that stands unrivalled in the history of humanity, together with a colorful portrayal, giving a broad, general view of the whole subject of wireless telegraph and telephone and its marvelous development . Copyright, Underwood & Underwood, N. ANTENNA PICKS UP EUROPEAN RADIO MESSAGESPhotograph shows a coil antenna nine inches square, yet powerfulenough to receive wave lengths of many thousand meters. This coilwhen connected to an extremely delicate receiving apparatus will detectrarJio signals from European station
. Radio, miracle of the 20th century ... a story of human achievement that stands unrivalled in the history of humanity, together with a colorful portrayal, giving a broad, general view of the whole subject of wireless telegraph and telephone and its marvelous development . Copyright, Underwood & Underwood, N. ANTENNA PICKS UP EUROPEAN RADIO MESSAGESPhotograph shows a coil antenna nine inches square, yet powerfulenough to receive wave lengths of many thousand meters. This coilwhen connected to an extremely delicate receiving apparatus will detectrarJio signals from European stations. This was made at the Bureauof Standards. Washington, D. Copyright, International FLORIDA FARMER GETS DINNER CALL BY RADIOHeres Daniel Talbot, a farmer of Florida, whose immense acreagetakes him for some distance from his farmhouse and out of the rangeof sound of the dinner call. So hes rigged up a small radio set whichhe attached to his plow. When its time to eat, Mrs. Talbot, at theirhome, sounds the call through the transmitter, which Farmer Talbotpicks up while at work. CHAPTER I. Eomance and Marvel of the Wireless—Radio the Sensa-tion of the Age—Most Spectacular Electrical Develop-ment in all History—A New World of Science. OVER our heads there streams day and night through- out the country an invisible traffic more dense thanthe surging motor cars and vehicles in our busycity streets. There are voices and music in the airand a new and marvelous world has been discovered formankind to explore, through the development of radio-communication—the wireless telegraph and telephone. To what end the explorations may lead no one knowsa
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Keywords: ., bookcentury1900, bookdecade1920, bookidradiomiracle, bookyear1922
