Variometer on a Vertical Panel for Radio Receiver
A detailed guide explains building a variometer mounted on a vertical panel six by eight inches with a four by seven inch base. It covers materials like bakelite tubes, No. 26 wire, brass tubing, wood blocks, a dial and knob, seven binding posts, and shellac windings. Clear assembly steps include winding 40 turns split into two 20 turn groups and mounting on a finished vertical panel for simple operation.
Crystal set is all right for amateur radio in New York
A small original receiving set, called the poor man's set, proves as efficient as pricier vacuum tube outfits. Reports claim 15 to 25 miles, some amateurs hear music up to 50 miles, and a New York retailer says he connected an amplifier to the set. Despite steel skyscraper surroundings, the set operates daily.
MENTIONED IN THIS ARTICLE
New York
Radio Warns of Thunderstorms in Electrical Service
Detection of approaching storms in time to adjust electric service operations is cited as a valuable radio use by the electrical apparatus committee of the National Electric Light Association. The report presented at Atlantic City notes radio detects defects in electrical apparatus more efficiently than any other agency.
MENTIONED IN THIS ARTICLE
National Electric Light . Association
Atlantic City
Radio ambitions and bond news via broadcast station
The University of South Carolina plans a popular subscription broadcasting station aiming to raise about 12000 dollars. A San Francisco firm provides bond news by radio to investors and plans a large wireless system linking branch houses.
MENTIONED IN THIS ARTICLE
University of South Carolina, Columbia
D. C
San Francisco
Farmers Learn Best Ways to Kill Weeds at Tillage Demos
Montana farmers attend tillage demonstrations sponsored by the extension service to learn weed control for Russian thistle. The program covers soil types winds and weather, with 87 planned demonstrations and guidance on selecting or building low cost implements for effective weed eradication and soil mulch.
MENTIONED IN THIS ARTICLE
Montana
Montana Extension Service
Sheep Stand as Model For Dry Farm Prosperity
Thomas J. McFarlane, two miles southwest of Lothair in Liberty county, proves northern Montana dry farming can be profitable. His 640 acre spread supports a small, well kept flock of about 50 breeding ewes with wool and meat from sheep, plus cows, chickens, and hogs. Despite drought and pests, his income nears 2000 dollars with solid equity and little debt, backed by careful summer fallow and diverse feed practices.
MENTIONED IN THIS ARTICLE
Hall
Montana
Thomas J. McFarlane
Mcfarlane
Lothair
Liberty County
Tom McFarlane
Mr. McFarlane
Tie
Tle
Montana Extension Service
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Butte School District No. 1
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Hanson Petroleum Company
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Rosebud County
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Washington, D. C
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