47076 City of Truro approaches Circourt Bridge, Denchworth, on 27 October 1982 with the diverted Tavistock Junction to Dover china clay Polybulk tanks. There were two sets of 11 wagons used for this traffic, which was destined for Switzerland via the train ferry. Both sets of empties usually came back as one train. The train normally ran via the Berks & Hants line, and I cannot now recall why this was running via Swindon. Presumably this train ran with a Z headcode, as I can find no mention of it in the working timetable.