SWT Class 455/7, 4-car, 750V dc 3rd rail EMU.

5717 (77759+62799+71528+77750) & 5906 (77824+71719+62831+77823) approach Clapham Jct, London with an unidentified SWT service from London on Thursday 16th April 1998.
Trailer Standard Open (TSO) 71528 from unit 5717 was originally a class 508 TSO.

Photo and Scan: Ross Aitken (aos@cableinet.co.uk).