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Newspaper
Filer Record
Location
Filer, Idaho, United States of America
Date
Sep 07, 1922
Page
12
A historical radio column explains vacuum tubes as detectors amplifiers and oscillators. It outlines electron theory from atoms to ions, electron emission from heated filaments, and how increasing filament temperature or plate voltage controls current in a vacuum tube setup with a filament and plate.
Officials unveil a powerful new radio transmitter at the Presidio San Francisco rated as the Pacific coast's strongest vacuum tube system. The elevated site and two 10 foot aerial towers extend range toward Salt Lake City and Cheyenne with wireless telephones on key German trains and hotel embassy receivers abroad. Tests in a moving freight car showed reliable transcontinental conversations with Berlin under supervision of engineers military attaches and U S and Swedish diplomats.
When handling vacuum tubes of a receiver, exercise great care to avoid knocks or breakage of elements. These tubes are the heart and soul of the set, and a good method is to keep the glow just below the critical point for safe operation.
Amateur radio guidance covers tube voltages, detector tube sensitivity, and the benefit of a single wire for reception to reduce static. It notes detector and amplifier tube types, battery effects on headphones, wave speed, and the use of a wave meter for station checks. Grounding and lightning protection are advised.
Public notice announces a real estate sale in Twin Falls County Idaho on September 12, 1922 at 2 PM to satisfy a decree, describing property boundaries and appurtenances. The notice is followed by local social items including visits, dinners, school start, and neighbors moving to the area with notes on residents and events in the community.
N. B. Keeney and Sons bean grower and company president Mrs Keeney died at the family home in Leloy. He arrived Sunday from Cullt and received word Monday of the death. Cause not stated in the message.
A special teachers examination for certificates by endorsement will be held at the office of the county superintendent on September 10, 1922. All teachers seeking such certificates must take the examination at this time. Signed by TRITTOMART WOLFE, County Superintendent. Also contains a sheriff sale notice for real estate under foreclosure against Lula McKinley and A J McKinley. The sale is by order of the District Court of Twin Falls County Idaho dated August 7, 1922, describing a parcel in Section 17, Township 10S, Range 16E Horse Meridian.
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