GWR Castle 4-6-0 No 5075 Wellington 255 with the 6.30am Birkenhead-Paddington climbing from Saunderton tunnel on 17 May 1948.
Peter Kerslake says No, it's not snow but a chalk cutting between Princes Risborough and Saunderton and Hugh.Harman has excelled here with his fine view of 5075 very heavily loaded with well over ten coaches in tow. Originally named 'Devizes Castle' from new in August 1938 its new name was carried from October 1940. Photo: H.K. Harman / Rail Archive Stephenson