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Old Bess Steam Engine
SPL and Science Source
Photograph - Engraving
Steam engine. Historical engraving of Old Bess, a steam engine designed by the British engineer James Watt (1735-1819). It was the first engine to give rotary rather than pumping motion. Watt's engine also drove steam out of a cylinder to be condensed in a separate vessel. Previous engines, based on a design by Newcomen, condensed the steam within the cylinder which was far less efficient. Watt patented his design in 1769 and by 1772 had entered into a highly profitable partnership with Matthew Boulton in Birmingham. Whilst Boulton supplied capital, Watt continuously refined his design until his retirement in 1800. Old Bess was installed in Watt's Birmingham works in 1778.
November 21st, 2012
Viewed 1,603 Times - Last Visitor from Brisbane - Asia/Pacific Region on 09/17/2014 at 12:45 AM
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