"Elliot" Track recording car From 3/59 to ?.
Wickham departmental railbus 999507 seen at the Derby Technical Centre on 24/9/77. Chris Lings.
The Wickham / Elliot railbus 999507. Date / location unknown. Hamish Stevenson.
Wickham's railbus Laboratory 20 999507 at Tapton Junction, Chesterfield on the 4th September 1986 working from Eggington to Carlisle. Kevin Law.
999507 was built by Wickham as the Elliot Track Recording Vehicle. It's seen at Old Dalby on the 1st Oct 1991. Ian McDonald.