Hello Ian   The Summer 1961 WTT shows the following:   Train No.264. Fish Empties to Aberdeen. Dep King's Cross Goods 12.05pmSX. It was shown as having a 17-minute stop at Hitchin.   The same train number was 8.20pmSO (not stopping Hitchin).   Class C Train No.666 was noted as an 'Assured Arrival Service' for Hull, dep King's Cross Goods 8.36pmSX. It doesn't specify that it is 'empties' though.   There is a photo on page 88 of Peter Coster's,The Book of the Great Northern, Vol.1, which