WESTWARD EXPANSION INDUSTRIALIZATION URBANIZATION 1870 1900
IMMIGRATION IN INDUSTRIAL AMERICA
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Thomas Edison
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Lewis Latimer
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George Westinghouse
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Nikola Tesla
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Detailed explanation-1: -Lewis Latimer invented a method for producing a more durable carbon filament, making incandescent lighting practical and affordable for consumers. Latimer was born in Chelsea, Massachusetts, the son of former slaves.
Detailed explanation-2: -In 1850 an English physicist named Joseph Wilson Swan created a “light bulb” by enclosing carbonized paper filaments in an evacuated glass bulb.
Detailed explanation-3: -Thomas Edison is credited with inventing incandescent light bulbs, but William D. Coolidge developed the tungsten filaments that dominated lighting for a century. Tungsten had enviable properties for a filament: the highest melting point of all elements, a white-hot glow, and the ability to render lifelike colors.
Detailed explanation-4: -On December 11, 1928, Lewis Howard Latimer died, leaving a remarkable legacy. His name will be forever associated with two of the most revolutionary inventions of all time: the incandescent electric light bulb and the telephone.
Detailed explanation-5: -He played a critical role in the development of the telephone, significantly improved the production of carbon filament, and made important contributions to the commercialization of the incandescent light bulb.