UMIST - heat engines laboratory
Introduction
The photograph on this page of UMIST - heat engines laboratory by Chris Allen as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
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![](https://s0.geograph.org.uk/geophotos/03/69/17/3691768_732b3d64.jpg)
Image: © Chris Allen Taken: 4 Feb 1995
Seen in 1995 when it was still UMIST in the Sackville Street building. This is a horizontal single cylinder steam engine by Ed Bennis of Bolton and labelled as 'The Westminster Engine'. It is a very simple engine with simple slide valve and a Pickering throttle governor. On the left is the water cooled brake dynamometer to measure brake horsepower. Centre back is the surface condenser and to its right is the motor driven air pump. Weighing the condensate gives a direct measure of steam consumption. An indicator on the cylinder allows indicated horsepower to be measured. It is then possible to derive all sorts of fun terms - mechanical efficiency, thermodynamic efficiency, 'missing quantity', etc. The engine has now been removed for preservation and to the best of my knowledge there are now no in situ steam test engines in UK colleges or universities. If anybody knows differently please let me know.