Twyford Waterworks

Twyford Waterworks (an Edwardian pumping station museum) is east of Twyford, near Winchester and Eastleigh, Hampshire.
Hazeley Road, Twyford, Hampshire SO21 1QA.
1898 Started by South Hants Water Co
Has an inverted vertical triple-expansion pumping engine by Hathorn, Davey and Co and dated 1913.
Pumping Station Museum website.