t. Pancras before the 'Eurostars' - colour spread of 1980s diesel power at the London terminus.BackTrack Cover May 2010 Flags, Trade and Traction - Part One - Roger Hennessey looks at aspects of the 1,500kV dc electric era. 'Not King Canute...' - Geoffrey Skelsey considers Transport Minister Barbara Castle's relationship with the railways from 1965-8. The Central Wales Line - colour spread on the Shrewsbury a€ Swansea route. Chelsea Box and Chelsea Basin - Jonathan Jarvis revisits a once busy location on the West London Line. 'Talking of Trains' for 50 Years - John Spencer Gilks reflects on an enterprising and long-lasting railway educational project. A4s on the Caledonian Route - colour spread by Derek Penney of the famous streamliners' last fling on the Glasgow to Aberdeen route. Cornish Prairies - three GWR 2-6-2Ts in colour on Cornish branch trains. Two Irish Main Lines - some 1964 colour on the former GNR(I) and Northern Counties lines. The Forth & Clyde Junction Railway - Part Two - Robert D. Campbell concludes his history of the Ballocha€"Stirling branch. Lancashire & Yorkshire Railway Locomotives - colour spread of LYR survivors. The Tay Bridge Disaster - Alistair F. Nisbet considers the reports and their aftermath. LMS Eight-Coupled - Part Four - The Age of Total War - Michael Rutherford concludes his survey of 0-8-0 and 2-8-0 types on the LMSR. Science, Steam, Adultery and Corruption - Adrian Gray describes a Victorian scandal involving a famous early writer on railway science and a railway director.