The old Canterbury and Whitstable Railway was sometimes also colloquially referred to as the Crab and Winkle Line – which opened in 1830 was the cutting edge of technology at the time. The Industrial Revolution was happening and all the famous engineers of the time were connected to it. 
The photograph he has worked from features a steam train – the Invicta – a locomotive which pulled passengers out of Whitstable on its way to Canterbury in 1952. Today the route is a designated footpath and cycle track.