Twyford Waterworks

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