- 1General arrangement drawing no 33641 (YA1966.24/3/21/C/16/6236)
1882, item - 2Tender bogie drawings (GEC/2/2/5/1)
1949-1955, file - 3Electrical parts drawings for industrial overseas locomotives (GEC/2/2/1/9)
1975-1984, file - 4Mechanical details for Pakistan and Western Brazil locomotives (GEC/2/2/1/16)
1957-1981, file - 5General outlines of electric locomotives (GEC/2/2/2/24)
1965-1968, file - 625kv ac/dc locomotive general outline and arrangements (GEC/2/2/1/39)
1975-1977, file - 7Class 58 & Class 38 equipment arrangements (GEC/2/2/1/44)
1984-1989, file - 8Motor and trailer bogie arrangements and details (GEC/2/2/4/2)
c 1950, file - 9Electrical layouts, mechanical details and frame arrangements (GEC/2/2/1/45)
1983, file - 10Control equipment pipe and conduit layouts (GEC/2/2/4/4)
1955-1959, file - 11Wiring diagrams and mechanical details (GEC/2/2/3/5)
1962-1979, file - 12Wiring diagrams and mechanical details (GEC/2/2/1/51)
1980-1981, file - 13Overseas railways electrical control apparatus and wiring diagrams (GEC/2/2/4/7)
1941-1957, file - 14Mechanical details (GEC/2/2/1/56)
1982-1988, file - 15Overseas railways mechanical details and S.N.C.F. T.V.G prototype (GEC/2/2/1/69)
1958-1983, file