GK
INVENTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which invention helped coordinate railroad travel?
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telegraph
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telephone
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television
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Pony Express
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Explanation:
Detailed explanation-1: -In the 1830s, the British team of Cooke and Wheatstone developed a telegraph system with five magnetic needles that could be pointed around a panel of letters and numbers by using an electric current. Their system was soon being used for railroad signaling in Britain.
Detailed explanation-2: -The first two practical electric telegraphs appeared at almost the same time. In 1837 the British inventors Sir William Fothergill Cooke and Sir Charles Wheatstone obtained a patent on a telegraph system that employed six wires and actuated five needle pointers attached to five galvanoscopes at the receiver.
Detailed explanation-3: -Railways and telegraph were introduced in India in 1853 by.
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