Quinquequarticentennial celebrates Washington Iowa centennial
The Washington Evening Journal reflects on a Quinquequarticentennial as Washington marks 125 years, while letters discuss anniversaries and Latin roots. It also covers school integration debates, poultry industry concerns, and civic opinions on government involvement in production and education.
Long life bulbs not always best buy in U S says NBS
National Bureau of Standards researchers explain standard five month bulbs give better value than long life types for average home and office use. They note higher filament temperatures raise lumens per watt but shorten bulb life, with optimum economics when lifetime power cost roughly seven times the bulb price.
MENTIONED IN THIS ARTICLE
The
Bureau
Goldwater backers optimistic as Hughes tours Illinois prison
Des Moines reports supporters of Sen. Barry Goldwater optimistic Iowa will deliver all 24 Republican national convention votes. John Rehmann, a Des Moines businessman and National Draft Goldwater Committee member, aims to mobilize delegates and predicts strong enthusiasm for Goldwater, believing a Goldwater ticket boosts Republicans statewide. Governor Hughes, meanwhile, visited the Marion federal prison and met Myrl Alexander, co-author on Iowa crime studies, noting the new facility’s unique 30 foot fencing and absence of walls.
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Des Moines
IDPA
Barry Goldwater
Iowa
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National Draft Goldwater Committee
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Rehmann
Johnson
Harold Hughes
Ilinois
Myrl Alexander
Alexander
Center For the Study of
Southern Illinois University At
Carbondale
Hughes
Marion, Ill
Federal Bureau of Prisons
Alcatraz
Light bulb life and efficiency trade offs explained
The article discusses standard and long life bulbs, noting standard bulbs give more light per dollar with 750 to 1000 hours. It explains situations where lifetime bulbs make sense such as hard to access fixtures or high labor costs. Voltage fluctuations can halve bulb life, with a 5 percent increase from 120 to 126 volts reducing lifespan.
MENTIONED IN THIS ARTICLE
Barbrow
What About Long Life Light Bulbs
A flood of long life bulbs is on the market but longer life comes with a catch. A technical paper explains that increasing life may require reducing light output at fixed wattage or raising wattage to keep output. You’ll get longer bulb life but a higher electric bill.
Long lamp life by using higher volt bulbs for 120V sockets
Guidance to choose lamps with voltages above the socket to extend life. At 120V, a 125V bulb yields 94W output and 7% higher lighting cost with 13% less light, while a 130V bulb gives 88W output, 15% higher cost, 24% less light but longer life. The text notes 125 or 130 volt lamps exist and can be sourced from dealers.
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