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Rocket, constructed by Stephenson and his son Robert, which won the premium of five hundred pounds in 1829, offered by the Liverpool and Manchester Railway Company, ushered in the greatest mechanical revolution since the invention of the steam-engine by Watt. After this Stephenson became a locomotive builder on a large scale and acquired enormous wealth. Another invention standing to the credit of Stephenson was one of the earliest safety lamps, but a committee which investigated the subject accorded to Sir Humphry Davy the priority of this invention. During this year Sir Austin Henry Layard published the results of his original researches of Nineveh and its remains. Macaulay printed the first two volumes of his
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History of England, while Matthew Arnold brought out his
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Strayed Reveller and other poems. Elizabeth Gaskell published
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Mary Barton.