第八章 The Industrial Revolution 工业革命
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at industrial use of steam power was due to Thomas Savery in 1698. He constructed and patented in London a low–lift combined vacuum and pressure water pump， that generated about one horsepower and was used in numerous water works and tried in a few mines， but it was not a success since it was limited in pumping height and prone to boiler explosions. ??The first safe and successful steam power plant was introduced by Thomas Newcomen before 1712. Newcomen apparently conceived the Newcomen steam engine quite independently of Savery， but as the latter had taken out a very wide–ranging patent， Newcomen and his associates were obliged to come to an arrangement with him， marketing the en