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Newspaper
Indianapolis Times
Location
Indianapolis, Indiana, United States of America
Date
Apr 09, 1925
Page
11
C Francis Jenkins described a prismatic ring that converts ether light into a visible signal allowing radio listeners to see images. He predicted widespread use soon for home viewing, education, and military battlefield monitoring from aircraft or field observations.
Dr. Edgar Stillman Kelley holder of a Western College fellowship Oxford Ohio recently returned from London where his Pilgrim s Progress was prepared for broadcast at Covent Garden with Wolverhampton Musical Society plans. The program aired March 12 at Covent Garden broadcasting station and reached an estimated fifty million listeners across Europe.
L. R. Carver former electrical research engineer of Fairbanks Morse and Co told Broadcast Listeners Association at Hotel Severin on Wednesday night to seek quality over distance during summer. He blamed improper tuning for much static and advised owners to obtain a ground other than the water pipe.
A Hollywood film trend shows movies explaining radio receiver parts. Reports note such educational sequences appear weekly in new releases.
Polk, son of a famed Canadian bandmaster, is highlighted as the deep bass pillar in the Gus Edwards Orchestra on WFBM Indianapolis. He served abroad in World War I with his father’s band in the Canadian Army, then joined the Edward’s outfit over two years ago during a Canada tour.
Short Cuts Mount 1%-volt C batteries between binding posts and use 6-32 screws for connections. Clip two condensers on hard rubber to test circuits. Bind posts link to screws via short wires. A magnetized screwdriver helps recover dropped screws. For 201A tubes, grid leak values are 2 to 3 percent.
The note lists resistance ranges like UV199 3 to 5 megohms UV200 1 to 2 megohms WD11 3 to 5 megohms DeForest DV6 3 megohms. It then suggests increasing loop volume by winding about 80 feet of bell wire around the picture molding in inductive relation to the loop antenna.
Mary Mayo De Forest, dramatic soprano and wife of Dr. Lee De Forest, will sing in a radio recital on WEAF and affiliated stations on April 14 marking her air debut. Dr. De Forest recalls Caruso’s 1910 Met Opera broadcast as a precedent for wide audiences via radio.
Fading of distant stations may be caused at the receiving end by a slight drop in the voltage of the A or B battery. The condition may be recognized by tuning as the signal begins to fail, indicating battery trouble if the signal can be restored immediately.
A brief technical note explains fastening C batteries to a base board using a loop of bus bar. The ends are formed into an eyelet large enough to accommodate a small screw.
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