KIDS QUIZ
FAMOUS INVENTORS AND INVENTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of these is NOT associated with Thomas Edison?
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telephone
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microphone
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motion-picture camera
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incandescent light bulb
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Explanation:
Detailed explanation-1: -Thomas Edison’s Automatic Telegraph Thomas Edison worked on automatic telegraphs between 1870 and 1874. The invention embossed special indents into a rotating cardboard disc with a needle powered by an electromagnet. It would then would form a recorded message that could be transmitted without an operator.
Detailed explanation-2: -Automatic Telegraph. Science History Images/Alamy Photo. Carbon Telephone Transmitter. Universal History Archive/Getty Images. The Light Bulb. SSPL/Getty Images. Phonograph. Bettmann Archive/Getty Images. Movie Camera and Viewer. Hulton Archive/Getty Images. 06-Mar-2020
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