The Crossness Engines The restored 1865 Prince Consort Engine was a key part of Joseph Bazalgette's sewage system and is one of four James Watt Rotative Beam Engines still in its original setting. Representing the change from cast iron to steel and the more effective use of steam, it played a key part in freeing London from Cholera and Typhoid.

R Campbell on Wikimedia Commons PD
This is an approximate position

The Crossness Engines Trust, The Old Works, Crossness Sewage Treament Works, Belvedere Road, Abbey Wood, SE2, London
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by Institution of Mechanical Engineers on 20 January 2009

Colour: red and black

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See also...
Spudgun67 on Wikimedia Commons
Nick Harrison on Flickr