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In the late 1800's the cathode ray tube was made-forrunner of the T.V.
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21 year old Philo Fransworth transmitted the first T.V. picture electronically by rotating a sraight line scratched on a square of painted glass by 90 degrees
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Pearl HarborDuring the Pearl Harbor only 10 stations were operating.
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The FCC adopts the analog standard and also adopted 525-line image.
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In 1948 the T.V. era begain with only 1% of American households having a T.V.
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In 1950, the A.C. Nielsen Market Research Company begins tracking prime-time viewing audience
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In 1953 more than 50% of American households had a T.V.
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In just 7 short years American households owning a T.V. just 40% bring the percentage of households in American with T.V. to a whopping 90%.
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New York poll suggested that most Americans blamed television as the biggest single factor underlying teenage sex and violence.
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Today there are about 1,700 T.V. stations operating and about 300 nonprofit.
