The famous London Tilbury & Southend Railway loco Thundersley. Decorated for the coronation of King George V and Queen Mary June 1911. Source: Twitter
Somers Town Goods Depot in 1927. The British Library now stands here. Source: Twitter
St Pancras Signals 1930 by East End artist E H Hawthorne. Source: Twitter
Vermin control experts in St Pancras Goods Yard with their dogs and some rats that have been caught. 1953. Source: Twitter
The first ever DMU to St. Pancras. Some queried whether the leading coach was a WR Class 121 single car dmu, others insisted it was a 127. Source: Twitter
Tim Lidbetter (see comments) explains that the Class 127s and the Class 121s do look very similar.
The famous Midland Pullman to Manchester (via the old route through Matlock) seen on poster at Euston ghost tube station. Source: Twitter
St. Pancras 1971. Source: Twitter
St. Pancras 1973. Source: Twitter
Power car 43057 at the front of the the 1600 Nottingham train 30 March 1988. Source: Twitter
Midlands HST at the station in 2003. Source: Twitter
45112 on last loco hauled train to St Pancras 8 April 2004. Source: Twitter
45112 on last loco hauled train from St Pancras 8 April 2004. Source: Twitter
HST line up 2004. Source: Twitter
Class 170 on a Midland service. Probably 2005-06. Source: Twitter
Deutsche Bundesbahn’s ICE 3 at St. Pancras 19th October 2010. Source: Twitter
Rear of the ICE 3 at St. Pancras 19th October 2010. Source: Twitter
The visit of a Post Restante TGV in 2012. Source: Twitter