In these pre-internet days, the identification of trains such as

this was all but impossible unless inside information was available! An unidentified PW train trundles down having just exited Salisbury tunnel led by 33024. With an AE identifier being carried I am sure that somebody out there may be able to enlighten me as to what this train may have been. It appears to be a short track-laying train with some track panels at the rear and a former Southern van directly marshalled behind the locomotive.