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TODAY IN HISTORY

    WIRELESS TELEPHONE AT WHITE HOUSE
    November 21, 1919 - White House, U.S.A.

    President Wilson used a radio telephone set up on the south portico of the White House to direct the maneuvers of a dozen army airplanes flying over the Potomac river several miles away. His telephoned directions went direct to the flight commander in the air. The instrument was similar to those used by American aviators in France in the latter part of World War I. Col. C. C. Culver actively developed the equipment. He began the project in Aug 1910. No new invention was needed, only adaptation and adjustment of existing techniques. By Aug 1916, he was able to send a radio telegraph signal from a plane. Enlisting expert help from the telephone companies, by Oct 1917, voice messages could be send between a plane and the ground. The system was put into service for military wartime use.

    EDISON'S PHONOGRAPH
    November 21, 1877 - New York City, U.S.A.

    Thomas Edison announced his invention of his "talking machine" - the tin-foil cylinder recorder that preceeded the phonograph. He appears to have envisioned it as a business dictation machine. In Sep 1877, he wrote that its purpose was "to record automatically the speech of a very rapid speaker upon paper; from which he reproduces the same Speech immediately or years afterwards preserving the characteristics of the speakers voice so that persons familiar with it would at once recognize it." The indented tin foil, however, would survive only a few playings. By the first public showing of a phonograph, which took place in New York City in early Feb 1878, its practical applications had not yet been realized.

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    Facts about drugs can protect against drug abuse. Legal drugs, such as alcohol and tobacco, kill more people than illegal drugs. Tobacco (smoking cigarettes) kills more people than any other drug. Illegal drugs including heroin, cannabis, ecstasy and amphetamines can have unknown or dangerous ingredients. Mixing drugs, especially with alcohol, can be fatal. Harvard Medical School
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    Myth: Staring at a computer screen all day is harmful to the eyes. Fact: Spending the day staring at a screen can tire or strain your eyes, but it will not hurt them. Make sure lighting doesn't create a glare on your screen. When spending long periods at your keyboard, take a break now and then to rest your eyes to reduce fatigue. Also, don't forget to blink. Your eyes need to stay lubricated to feel comfortable.

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Website preview thumbnail for : SuperSafe gps tracking devices
Is the pioneer in providing GPS tracking devices and security systems in Coimbatore. Super Safe supplies GPS tracking devices and security systems for bikes, two wheelers and four wheelers. A GPS t...
http://www.supersafeworld.com
Website preview thumbnail for : Swan Sorter Systems
Private Limited is among the list of popular Color Sorter Machine Manufacturers in Bangalore. Are principally employed in sorting grain, color sorters are used for food processing business, like co...
http://swansorter.com
Website preview thumbnail for : Vibrant Construction Equipments
Is the most trusted name in the market for the supply Road Construction Equipments, based in the capital of Telangana State, Hyderabad. Vibrant has full fledged large Manufacturing unit with latest...
http://vibrantengineering.com
Website preview thumbnail for : Steel Tubes India
Steel tubes India is the leading Supplier and Exporter of astm a179 tubing suppliers, astm a179 pipe supplier, ASTM A179 Carbon Steel Seamless and Welded Tubes, CS A179 ERW Tubing, astm a179 tube m...
http://www.stindia.com/astm-standards-astm-steel-astm-specifications/astm-a179-pipe-sa179-tube-suppliers.html
Website preview thumbnail for : Global Plastech, injection machine
We are a Manufacturing Service Company and a professional group providing injection molding machines, its auxiliary equipment, plastic injection moulds etc. We are located at the Chinese injection...
http://www.global-plastech.com/
Website preview thumbnail for : Briquetting Plant Manufacturer
Our company has earned reputation in manufacturing, marketing and consulting biomass Briquetting technology in India. We are implementer of Briquetting machine, Briquetting press with the goal of m...
http://briquetting-plant.com
Website preview thumbnail for : Juh Hwa, Enterprise Co., LTD.
Is the biggest slotted angle rack manufacturer in Taiwan. With the systematic automation facility, we ensure the accuracy of our products.
http://www.juhhwa.com
Website preview thumbnail for : Express Modular houses
Browse hundreds of custom home plans to help you select the best design for your and your family.
http://expressmodular.com
Website preview thumbnail for : Ductile Iron Casting Manufacturers in US
Is the leading Ductile iron casting manufacturers in USA, Europe. We manufacture high-quality Iron Casting and Ductile Iron Casting at an affordable price.
http://www.bakgiyam.com/
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Website preview thumbnail for : My Guardians
My Guardians provide UK Guardianship Services & advice to parents & children worldwide on how to obtain guardianship & schooling in the UK.
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Komfortable Nichtraucher Ferienwohnung im Herzen vom schoenen Fischerdorf Greetsiel.
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Website preview thumbnail for : Its A Baby
We are a Bury UK based retailer of a wide range of baby and children's products. We specialise in offering prams & pushchairs.
http://www.itsababy.co.uk
Website preview thumbnail for : Search Office Space
Search Office Space was founded in 1993 by Richard Smith in order to bring together all elements of the serviced office space market into one convenient single point of contact, with clients having...
http://www.searchofficespace.com

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The course of the River Thames as we know it today was created about 10,000 years ago, by melt water from the ice-sheets that covered much of the United Kingdom during the last ice-age...
Friendship poems happen to be just the best medium of expressing eternal friendship to that special friend. You can let all the love and affection you possess flow out, right onto the paper lying in front of you, through a sweet little friendship.

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