Sheffield 513 is seen heading to depot with repair vehicle follwoing behind, this unit had failed in service and was later replaced as 'heritage' unit.  
One thing which had struck me about this deisgn is how modern it is, if you compare this 1950's design with and Millennium cars, externally they are very similar - but being from Sheffield I am biased!

Copyright belongs to Andy Ducker who can be contacted at ecml@yahoo.co.uk. Photographs taken on Canon EOS10D.