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Newspaper
Indianapolis Times
Location
Indianapolis, Indiana, United States of America
Date
Sep 24, 1925
Page
10
Frank Reichmann argues early radio condenser labeling by plate count misled tuning. He notes capacity varies with plate size and dielectric, and explains wavelength based tuning caused crowding of frequencies across bands.
A radio direction finding beacon using a four foot goniometer at Monmouth Illinois guides air mail pilots. The system shows signals to indicate left right or on course and requires only the standard military receiver in the aircraft. McCook field has used similar beacons in long flights agency head Captain Murphy notes beacons about every 200 miles are needed.
The article describes corrected condenser design that tunes by equal frequency steps rather than capacity changes. The best condenser yields a straight line calibration, about ten kilocycles per dial division, placing stations evenly across the dial. Lower wavelength stations are spaced apart while higher wavelength stations cluster, easing tuning and reducing hairline vernier controls.
The piece describes growing show attendance and the rise of portable radio and phonograph devices. A deal with the Federal Automobile Insurance Association supplies one thousand radio sets to Kruse Connell for agency use, offered on a premium basis, signaling a major industry order and far reaching impact for agents across eleven states.
The Kurz Kasch Company of Dayton Ohio announces a complete line of dials and knobs now including potentiometers rheostats and sockets. They recently took over LZ-Toon and now produce Kurz Kasch Aristocrat EZ to on. Molds are made in house with factories at Dayton and sales via Hartzell Sales Company New York City.
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