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This newspaper page contains 4 articles. Subscribers can read the full text of each article.
Newspaper
Browning Leader Record
Location
Browning, Missouri, United States of America
Date
Sep 07, 1922
Page
3
A three electrode vacuum tube used as an oscillator converts DC plate energy into undamped AC across a wide range from 0.5 to 150 million cycles per second. It notes undamped CW radio teleg and amateur use, and explains how grid and plate interactions sustain oscillations without growth or decay.
Radio Merchandising discusses summer static, its causes, and methods to reduce it. The piece explains tuned circuits, self excitation in three electrode tubes, and how coil coupling affects oscillation. It notes more static in warm months and offers practical steps like sharper tuning and directional antennas.
The Buffalo News reports on kiss broadcasting and plans for farmer plow radio, while Chicago seeks 68000 for police radio sets. News covers rooftop radio in St Louis apartments, a 5 million weekly US radio spend, Canada's sales surge, and 900 engineers placed by Federated American Engineering Societies as engineers face unemployment.
John Dickinson Sherman Ifty recounts Yellowstone's birth as a national park in 1872 and traces the growth of the U S national park system to 1919 and beyond. He notes key explorers, list of parks, visitor statistics for 1921, and the National Parks Association's educational aims.
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