manufactured 1785, bore, stroke. Crofton Pumping Station manufactured 1812, bore, stroke. Kew Bridge Steam Museum manufactured 1820, bore, stroke. Papplewick Pumping Station two engines, manufactured 1884, bore, stroke. Believed to be the last engines manufactured by the company. See also Beam Engine Samuel Clegg Watt steam engine References Further reading External links The Non-Rotative Beam Engine Chapter 3: The Boulton and Watt Engine Maurice Kelly Archives of Soho at Birmingham Central Library. Revolutionary Players website Cornwall Record Office Boulton & Watt letters Defunct manufacturing companies of England Steam engine manufacturers James Watt History of the steam engine Industrial Revolution in England Marine engine manufacturers Companies based in Smethwick Manufacturing companies established in 1775 British companies established in 1775 1775 establishments in England Engine manufacturers of the United Kingdom