WESTWARD EXPANSION INDUSTRIALIZATION URBANIZATION 1870 1900
SECOND INDUSTRIAL REVOLUTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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John D. Rockefeller
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Henry Bessemer
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George Pullman
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Nikolaus Otto
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Detailed explanation-1: -Henry Bessemer, in full Sir Henry Bessemer, (born January 19, 1813, Charlton, Hertfordshire, England-died March 15, 1898, London), inventor and engineer who developed the first process for manufacturing steel inexpensively (1856), leading to the development of the Bessemer converter. He was knighted in 1879.
Detailed explanation-2: -British inventor Henry Bessemer’s creation of the Bessemer converter was a major advancement for steel making. Prior to his work, steel was scarce, made through a costly and arduous process. His technique prompted a revolution in manufacturing.
Detailed explanation-3: -Patented in 1855, the Bessemer process decreased the cost of steel from £50–60/t ($80–95/t) to £6–7/t ($9–11/t), hand-in-hand with vast increases in scale and speed of steel production. Steel girders for bridges, buildings, railroads, skyscrapers – all were unimaginable before Bessemer.