SCIENCE, INDUSTRY & BUSINESS LIBRARY / NEW YORK PUBLIC LIBRARY / SCIENCE PHOTO LIBRARY SCIENCE, INDUSTRY & BUSINESS LIBRARY / NEW YORK PUBLIC LIBRARY / SCIENCE PHOTO LIBRARY
James Watt (1736-1819), Scottish engineer and inventor. This historical artwork is of a statue of Watt by the sculptor Chantrey, which is in Handsworth Church, England, where Watt is buried. Watt made many practical improvements to the steam engine of his day. His inventions included the double acting engine where the piston both pushes and pulls (1782); the centrifugal governor, a device that controlled a process by means of variations in the process itself (1788); and the pressure gauge (1790). Watt also coined the term "horsepower" to describe a unit of energy. Artwork taken from History of wonderful inventions, 1849.
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