Dean, Smith & Grace

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Dean, Smith & Grace
Industry Engineering
Successor Dean Smith and Grace Lathes (UK) Ltd.
Founded 1865
Founder Joseph Dean
Headquarters Keighley, West Yorkshire, England
Area served
Key people
Joseph Dean, James Smith, Harry Smith
Products Machine Tools

Dean, Smith & Grace is a British manufacturer of lathes and milling machines, based in Keighley, West Yorkshire. Their products have been described as "the Rolls Royce of lathes".[1]


The company was founded in 1865 by Joseph Dean (born c1825 in Barnoldswick, then in the West Riding of Yorkshire), in Bingley, West Yorkshire,[2] known as "Old Dean", who retired in the late 1800s and died in Ilkley, West Yorkshire, in 1909.

In the late 1860s Dean Smith & Grace moved to Keighley, and exported machine tools across the Empire. Following Joseph Dean's retirement, the company traded as Smith & Grace of Thrapston,[3] but in 1908 a private company was reformed as "Dean Smith & Grace 1908 Ltd".[4]

By the early 20th century, Dean Smith & Grace had grown to be one of the leading heavy tool firms in Yorkshire.[5] In response to the introduction of high speed steel around 1900, the company ceased building to customers' individual specifications and concentrated on a new type of steel geared lathe built for strength and rigidity.[6]

Herbert Smith, the aircraft designer who was responsible for designs such as the Sopwith Triplane, Camel, and Snipe worked for the firm in the years before the First World War.[7][8]

The company continued as an independent manufacturer until 1973 when bought out by the Monarch Machine Tool Company of Sidney, Ohio, USA. By this time the company was noted for equipping the engineering research laboratories and workshops at UMIST in Manchester.[9] The same laboratory continues to use the same machines into the 21st century, citing them in their research publications.[10] When Monarch went into bankruptcy the company was bought by Newsmith Stainless Limited of Roberttown, West Yorkshire,[11] and now trades as Dean Smith & Grace Lathes UK Limited.

In 2012 the company was acquired by the MTTG group.[12]


  1. ^ Sweeney, P. (1999). Gunsmithing Rifles. Iola, Wisconsin: Gun Digest Books. (p.48)
  2. ^ Grierson, Edward (1955). A Little Farm Well Tilled. Dean, Smith & Grace. 
  3. ^ The Engineer of 14th December 1894 p524. 
  4. ^ "GracesGuide". 
  5. ^ Davenport-Hines, R.P.T., ed. (1990). Capital, Entrepreneurs and Profits. London: Frank Cass and Company. p. 306. ISBN 978-0-7146-3386-2. 
  6. ^ Grierson, Edward (1955). A Little Farm Well Tilled. Dean, Smith & Grace. p. 43. 
  7. ^ Crampton, John (June 1975). Air Pictorial. 37: 228.  Missing or empty |title= (help)
  8. ^ Macmillan, Norman (30 December 1960). "Who designed the famous Sopwith types?". Flight. 78 (2703): 1013. Retrieved 3 April 2011. 
  9. ^ Cardwell, D.S.L., ed. (1974). From Artisan to Graduate: essays to commemorate the foundation in 1824 of the Manchester Mechanics' Institution, now in 1974 the University of Manchester Institute of Science and Technology. Manchester University Press. p. 222. 
  10. ^ Akbar, F; Mativenga, P. T.; Sheikh, M.A. (2007). An investigation of the Tool-Chip interface Temperature and Heat Partition in High-speed Machining of AISI//SAE 4140 Steel with TiN-coated Tool. 35th International MATADOR Conference. p. 216. Retrieved 28 December 2010. 
  11. ^ Allcock, Andrew (24 November 2008). "Dean Smith & Grace has new owner". Retrieved 19 December 2010. 
  12. ^ Allcock, Andrew (5 September 2012). "Dean Smith & Grace (DSG) acquired by MTTG". Retrieved 7 July 2016. 

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