Bletchley DMU's
M50938
M50939
M50940
M50941
M50942
M50943
M50944
M50945
M50946
M56221
M56222
M56223
M56224
M56225
M56226
M56227
M56228
M56229
M79900
M79901
Bletchley allox 1966-68: M79131-6 (wdn 1/68, 10/67, 10/67, 4/68, 4/69, 1/68) DMBS M79184-7 (wdn 4/69, 1/68, 4/69, 4/68) DMBS M79653-7 (wdn 4/68, 4/69, 6/67, 10/67, 4/69) DTCL M79189-90 (1966 only) DMCL M79131 M79132 M79133 M79134 M79135 M79136 M79184 M79185 M79186 M79187 M79653 M79654 M79655 M79656 M79657 M79189 M79190