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This newspaper page contains 9 articles. Subscribers can read the full text of each article.
Newspaper
Elgin Echo
Location
Elgin, Iowa, United States of America
Date
Aug 26, 1926
Page
6
The article surveys ideas for toning several radio frequency circuits with two or more condensers on a single shaft. It stresses matching inductive and capacitive values, managing parasitics, and notes practical guidance on coil design, capacitor choice, and antenna coupling to achieve reliable tandem tuning across stages.
Radio experts describe two distinct radio wave paths from transmitter to receiver. One path runs along the ground surface, the other high in the atmosphere fifty to a hundred miles up. When signals traveling these routes arrive together at a receiving set they can interfere and cause fading.
A technical note explains tube use in crystal receivers. Tubes after the detector boost distance and volume, while tubes before the detector reduce sensitivity. A loop is not used without radio frequency amplification and a good serial is advised for strong reception.
A slender wire, just over pencil thickness and 50 feet long, hung from a 70 foot wooden pole, once radiated programs from 2XAP Schenectady to nearly every habitable region of the world, illustrating early radio reach and spread.
Two simple principles help a receiving set cover 200 to 600 meters. A coil in series with the antenna increases the effective wave length, enabling higher wavelengths to be picked up. the larger the coil, the greater the increase. A series condenser reduces the wavelength range. smaller capacity broadens the range. Connect the lead-in to one end of the coil and run a wire from the other end to the antenna binding post. a series condenser is connected the same way.
In a Kansan City Star excerpt Squire Ramsbottom of Petunity interrogates an offender brought before Constable Slackputter. The reply dodges mud and bridges with humor, calling himself a motor detourist while noting dignity requires grace, not pomposity.
The article notes a surge in rough diamond imports to the United States, with 1925 volumes more than doubling 1924, signaling industry expansion among U S diamond polishers. It also cites a New York City fire chief stating that a fire’s outcome hinges on actions within the first three minutes.
Short indoor aerial used for selectivity and a long outdoor aerial for volume and distance can be combined with a single pole double throw switch. Run bell wire through rooms to connect the indoor aerial to one switch post and the outdoor aerial lead to the other. The switch center connects to the indoor aerial post while the outside lead feeds the get.
Radio engineers across the country report loop aerials are about five percent as efficient as outdoor aerials while indoor aerials range from ten to sixteen percent efficiency.
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