Found them in one of the piles on the floor. I'll post them to you Neil, then you can scan & distribute to DAC enthusiasts as required.
Don't get too excited these are only a few mods from EMER WHEELED VEHICLES H 257 Mod Instr No. 2, 4, 5, 6, 7.
Covers fitting smoke dischargers, fitting oversize bush to fluid flywheel, new Tracta joints, sealing gland Tracta forks, fitting WS C12 in place of 19 set.