56033, 56049, 59001 & 59004 near Patney & Chirton with the Class 59 test train from Westbury to Savernake, the 56's were removed at Savernake to allow adhesion testing with 59001 (59004 dead) on the up grade, 16/2/86. ©www.railphotoprints.co.uk - John Chalcraft