This is one of the earlier class 31s which can be distinguished by the rounded cab roof and are known as 'skinheads'. Fragonsets 31106 sits in the siding alongside Westbury Station on the 22nd October 2004 and dating from the late 1950's make its one on the oldest main line locos on the network.
Photo from James & Martin's Picture Collection Copyright 'Jampics' m.hawkes7@ntlworld.com
British and Foreign Railway Pictures Jampics Fotopic.