Sets Work Miracle With Small Amount of Power
Commissioner Caldwell notes the extraordinary efficiency of modern receivers, needing only eight hundred millionth of a watt to operate a radio set. A $100 set can pick up 50 microvolts per meter, with antenna assumptions yielding about 0.00000018 watts received, yet capable of delivering rich sound. Transmitters waste most energy, as only a tiny fraction reaches listeners.
MENTIONED IN THIS ARTICLE
Caldwell
Radio Board
Cure for Static From Smoke Consumer
Radio interference from electrical precipitators used to reduce smoke occurs when the high voltage rectifier creates sparks and RF current. Placing the rectifier close to the chimney or housing it in metal walls reduces trouble. if separated, a grounded wire screen around the leads and proper grounding blocks interference. Damp ing resistances in the wire line can also cut radiated power.
MENTIONED IN THIS ARTICLE
Bureau of Standards
Dead Spots in Short Wave Receivers
The article explains that new short wave listeners often encounter dead spots where the receiver cannot oscillate. These occur when the antenna resonates with a harmonic, absorbing power and hindering oscillations. Remedies include loosening antenna coupling or adding a small series capacitor to shift resonance away from active frequencies.
Farmers Buy Radios for Fun Not Learning Says Survey
A Colorado Agricultural College questionnaire shows farmers buy radio sets mainly for entertainment rather than education. Broadcasts from KOA reveal entertainment programs top farmer interest, followed by mixes of entertainment and information, with purely informative programs rated lowest.
MENTIONED IN THIS ARTICLE
Colorado Agricultural College
KOA
18 000 A E F Men in U S Hospitals
Washington reports that over 18,000 American Expeditionary Force veterans are in United States hospitals for war service related disabilities. The Veterans Bureau runs 50 government hospitals and uses 305 civilian facilities, with $700 million annual appropriation and $19 million yearly hospitalization cost.
MENTIONED IN THIS ARTICLE
Washington
United States
Frank T. Hines
United States Veterans’ Bureau
Veterans’ Bureau
General Slines
Bureau
Veterans’ Committee
Coolidge
Congress
William E. Tate
Tate
Commander Tate
Coronene
General Ames
George E. Ijams
Lifespan of Skyscrapers Questioned by Architect Editor
The associate editor of Architectural Record notes average skyscraper life from 25 to 80 years due to rapid city growth. He argues modern towers with steel protection and proper maintenance could last a century or longer.
MENTIONED IN THIS ARTICLE
Architectural Record
Court Offers Recipe to Preserve Children in Seattle
Judge Austin B. Griffiths of the juvenile court presents a satirical preserve recipe as pickling and canning season arrives. The instructions describe placing children and dogs in a grassy field, pouring a brook over pebbles, placing flowers, and baking in the sun before cooling in a bathtub.
MENTIONED IN THIS ARTICLE
Seattle
Wash
Austin B. Griffiths
Italy Offers Prizes To World War Veterans For Farm Yields
Italy hopes veterans will return to farming and has announced prizes for the best farm yields by former service men as they adjust after the conflict.
MENTIONED IN THIS ARTICLE
Rome
Italy
Wolverine decline hits California forests in uncertain times
The text notes the wolverine's notorious reputation and its disappearance within the United States, and cites a California census showing over 250 000 big game animals in the state’s national forests. It also muses on fate and errors by a shipping clerk.
MENTIONED IN THIS ARTICLE
California
Pussyfoot Johnson Takes a Bride
An OCR fragment mentions figures on electrolysis risks to steel life and skyscraper longevity, hydropower dams, penstocks, a plant with 708 meters head, 100000 horsepower output, and river flooding mitigation, with stray phrases about a Canadian government and music.
MENTIONED IN THIS ARTICLE
Phon” Gp
Red Cross Ball Blue Laundry Ad Ady
An old advertisement urges shoppers to use Red Cross Ball Blue for gleaming white linens. The copy promises reliable results and directs readers to purchase at all good grocers.
Engineers Reconfigure Rivers for Brazil Plant Near Sao Paulo
Engineers working on a hydroelectric project near Sao Paulo, Brazil, redirected two rivers that previously flowed westward to now flow eastward. The ambitious feat involved rerouting waterways to power a new plant and meet project goals.
MENTIONED IN THIS ARTICLE
Sao Paulo
Brazil
Moone's Emerald Oil Promises Vein Relief
An advertisement urges readers with varicose veins to consult a druggist and use an original two ounce bottle of Moone's Emerald Oil full strength. Applied twice daily, it claims veins shrink to normal size and even piles respond quickly to the penetrating treatment.
MENTIONED IN THIS ARTICLE
Moone
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Citizens’ Committee
Court
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Pussyfoot Johnson
West Johnson
Pabaytont
Dion
Ladies’’ Home Journal
the Pexel Company
Chicago, Ill
PEXEL
Mate