B12 4-6-0 No 8547 blackens the sky as it climbs Bethnal Green bank with a Norwich via Cambridge express in c1930.
Peter Kerslake says "71 of the class were built by the Great Eastern Railway as Class S69 between 1910 and 1921 with 51 coming from their Stratford Works and twenty from Beardmore and Co. during 1920 and 1921."
Photo: F.R. Hebron/Rail Archive Stephenson