Thomas Simpson (engineer)

Thomas Simpson
Thomas Simpson
Born	1755; Blackwell, Carlisle, Cumberland
Died	1823
Nationality	British
Occupation	Engineer
	Engineering career
Discipline	civil engineer

Thomas Simpson (1755–1823) was a British civil engineer.[1]

Career

Simpson was born in Blackwell, Carlisle and began his career in 1778 as a millwright until being appointed an inspector and engineer of the Chelsea Waterworks. He later also became an engineer at Lambeth Waterworks Company. He contributed to the introduction of iron fresh water pipes and replacement of wooden mains in London and throughout the United Kingdom, testifying before a Parliamentary select committee in 1821 that he had invented a method of making spigot and socket joints watertight by filling them with hemp or flax and then covering them in lead. He also built a workshop to repair and maintain steam engines in 1785, which his son James Simpson took over and developed into James Simpson and Co. Ltd, later Worthington-Simpson Ltd, which after several further mergers currently trades as Flowserve.[2]

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References

A. W. Skempton (2002). A Biographical Dictionary of Civil Engineers in Great Britain and Ireland: 1500-1830. Thomas Telford. pp. 612–. ISBN 978-0-7277-2939-2. Retrieved 27 October 2012.
Gwilym Roberts (1 January 2006). Chelsea to Cairo-- 'Taylor-Made' Water Through Eleven Reigns and in Six Continents: A History of John Taylor & Sons and Their Predecessors. Thomas Telford. pp. 8–. ISBN 978-0-7277-3411-2. Retrieved 27 October 2012.

External links

"Patent: Simplified low insertion force sealing device capable of self restraint and joint deflection EP 2486319 A1". — "The first bell and spigot joint was developed by Thomas Simpson of the Chelsea Water Company in England in 1785. The joint was caulked with juie rope impregnated with pine resin or tallow and sealed in place with molten lead. The bell and spigot joint remained the predominant pipe joint until the advent of the push-on joint, for example the TYTON® Joint, in 1956."

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[Skempton2002-1] A. W. Skempton (2002). A Biographical Dictionary of Civil Engineers in Great Britain and Ireland: 1500-1830. Thomas Telford. pp. 612–. ISBN 978-0-7277-2939-2. Retrieved 27 October 2012.

[Roberts2006-2] Gwilym Roberts (1 January 2006). Chelsea to Cairo-- 'Taylor-Made' Water Through Eleven Reigns and in Six Continents: A History of John Taylor & Sons and Their Predecessors. Thomas Telford. pp. 8–. ISBN 978-0-7277-3411-2. Retrieved 27 October 2012.