Hi, This batch of negs are throwing up some interesting vehicles!  Here we have a bogie vehicle behind a Scot at Carnforth in 1963. Far too early for electrification work and there seems to be further similar vehicles behind the Fowler tank.  Are they some sort of track relaying vehicles (or track even recovery vehicles)? If so why did the LMR need ones with sides when the BR(W) just used bogie bolsters?  Even the bogies look non-standard - are they Gresley and if so are the vehicles a BR(E) d