London Underground A Stock A Stock leaving Harrow-on-the-Hill, August 21, 2002 A Stock at West Harrow, August 21, 2002 A Stock leaving West Harrow, August 21, 2002 A Stock arriving at West Harrow, August 21, 2002 A Stock entering Rayners Lane (right) with 1973 stock 157, note the difference in the height of the trains, August 21, 2002. A Stock arriving at Farringdon, August 21, 2002 A Stock leaving Farringdon, August 21, 2002 A Stock leaving Farringdon, August 21, 2002 A Stock arriving at Farringdon, August 21, 2002 A Stock leaving Harrow-on-the-Hill, August 21, 2002 A Stock at Rayners Lane, August 21, 2002 A Stock 5004 passing West Hampstead, May 21, 2008 A Stock 5040 at Harrow-on-the-Hill (left) with Class 168 Clubman DMU 111, August 21, 2002 A Stock 5040 at Harrow-on-the-Hill, August 21, 2002 A Stock 5058 at Rayners Lane, August 21, 2002 A Stock 5067 passing Dollis Hill, May 21, 2008 A Stock 5086 passing Dollis Hill, May 21, 2008 A Stock 5159 (right) and a Class 168 Clubman DMU passing West Hampstead, May 21, 2008 A Stock 5177 passing West Hampstead, May 21, 2008 A Stock 5201 at Euston Square, May 18, 2008