Editing Newcomen atmospheric engine (section)

==Surviving examples==
[[File:Newcomen engine in Scotland.jpg|thumb|left|upright|Caprington Colliery Newcomen engine in the [[National Museum of Scotland]] in Edinburgh]]
The [[Newcomen Memorial Engine]] can be seen operating in Newcomen's home town of [[Dartmouth, Devon|Dartmouth]], where it was moved in 1963 by the Newcomen Society. This is believed to date from 1725, when it was initially installed at the Griff Colliery near Coventry.<ref name="damu">{{cite web|url=http://dartmouthmuseum.org/collections/memories/|archive-url=https://archive.today/20130112234127/http://dartmouthmuseum.org/collections/memories/|url-status=dead|archive-date=12 January 2013|title=Memories of Dartmouth – Dartmouth Museum|publisher=[[Dartmouth Museum]]|access-date=22 May 2012|quote=The engine on display in Dartmouth was donated by the British Transport Commission to the Newcomen Society in 1963 and erected within an old electricity sub station. This particular engine was built around 1725 at Griff Colliery, before moving elsewhere.}}</ref>

An engine was installed at a colliery in [[Ashton-under-Lyne]] in about 1760.<ref>{{cite book
  |title=Coalmining, a handbook to the History of Coalmining Gallery, Salford Museum of Mining
  |last1=Preece |first1=Geoff |last2=Ellis |first2 = Peter
  |publisher=City of Salford Cultural Services |year=1981
  |page=16
}}</ref> Known locally as ''[[Fairbottom Bobs]]'' it is now preserved at the [[Henry Ford Museum]] in [[Dearborn, Michigan]].<ref name=GG>{{Citation |title=Chamber Colliery Co|url=http://www.gracesguide.co.uk/The_Basic_Industries_of_Great_Britain_by_Aberconway:_Chapter_VII#Chamber_Colliery_Co |publisher=Grace's Guide|access-date= 17 September 2011}}</ref>

The only Newcomen-style engine still extant in its original location is at what is now the [[Elsecar Heritage Centre]], near Barnsley in South Yorkshire. This was probably the last commercially used Newcomen-style engine, as it ran from 1795 until 1923. The engine underwent extensive conservation works, together with its original shaft and engine-house, which were completed in autumn 2014.

There are two static examples of a Newcomen Engine. One is in the [[Science Museum (London)|Science Museum, London]].<ref>{{Cite web | url=https://blog.sciencemuseum.org.uk/a-new-age/ |title = In Pursuit of Power| date=31 July 2012 }}</ref> A second example is in the [[National Museum of Scotland]]. Formerly at Caprington Colliery at [[Kilmarnock]].<ref>{{cite book |title=National Museum of Scotland Souvenir Guide |date=2016 |publisher=NMS Enterprises |location=Edinburgh |pages=98–99}}</ref>

Another example, originally used at [[Rutherglen#Farme Cross|Farme Colliery]] is on display at [[Summerlee, Museum of Scottish Industrial Life]]; unusually it was used for winding rather than water pumping, and had been in operation for almost a century when examined in situ in 1902.<ref>[https://www.gracesguide.co.uk/Farme_Colliery_Engine Farme Colliery Engine], Grace's Guide</ref><ref name="ParkesNLC">[https://www.culturenlmuseums.co.uk/blog/the-mysteries-of-the-farme-colliery-engine/ The Mysteries of the Farme Colliery Engine], Justin Parkes, [[North Lanarkshire Council]]</ref>

[[File:Replica Newcomen engine, Black Country Living Museum - geograph.org.uk - 601064.jpg|thumb|upright|A working replica of a Newcomen engine at the Black Country Living Museum]]
In 1986, a full-scale operational replica of the 1712 Newcomen Steam Engine was completed at the [[Black Country Living Museum]] in Dudley.<ref name="Newcomen, Dudley Castle" /> It is the only full-size working replica of the engine in existence and is believed to be a couple of miles away from the site of the first completed engine, erected in 1712.<ref>{{Cite web|url=http://www.bclm.co.uk/map8.htm|title=Newcomen Engine - Black Country Living Museum - Britain's friendliest open air museum|first=Tony Crockford|last=http://www.boldfish.co.uk|website=www.bclm.co.uk}}</ref> The 'fire engine' as it was known, is an impressive brick building from which a wooden beam projects through one wall. Rods hang from the outer end of the beam and operate pumps at the bottom of the mine shaft which raise the water to the surface. The engine itself is simple, with only a boiler, a cylinder and piston and operating valves. A coal fire heats the water in the boiler which is little more than a covered pan and the steam generated then passes through a valve into the brass cylinder above the boiler. The cylinder is more than 2 metres long and 52 centimetres in diameter. The steam in the cylinder is condensed by injecting cold water and the vacuum beneath the piston pulls the inner end of the beam down and causes the pump to move.<ref>{{Cite web | url=http://www.bclm.co.uk/locations/newcomen-engine/8.htm#.WNi91m8rKUk | title=Newcomen Engine - Black Country Living Museum}}</ref>