Thomas Newcomen, English inventor of the first atmospheric steam engine in 1705, died in London.
托马斯·纽科门在伦敦去世。他曾在1705年发明第一台空气蒸汽机。
Watt's engines were clearly much more economical than those of Savery and Newcomen but were relatively inefficient by modem standards.
瓦特的发动机很显然要比萨尔韦和纽科门的经济，但用现代的标准来看，效率相对较低。
Watt's engines were clearly much more economical than those of Savery and Newcomen but were relatively inefficient by modem standards.
瓦特的发动机很显然要比萨尔韦和纽科门的经济，但用现代的标准来看，效率相对较低。
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