- 1General outlines of electric locomotives (GEC/2/2/2/24)
1965-1968, file - 2Equipment case arrangements, details and wiring diagrams (GEC/2/2/1/43)
1976-1980, file - 3General arrangements and outlines of diesel electric locomotives for UK & overseas railways (GEC/2/2/2/116)
1959-1973, file - 4Overseas railways general outlines of Bo-Bo and Co-Co electric locomotives (GEC/2/2/2/235)
1949-1957, file - 5Circuit diagrams for East African Railway, Antofagasta (Chili) & Bolivia Railway Company, Ghana Railways and British Railways Board (GEC/2/2/2/475)
1967-1988, file - 6Layouts of electrical equipment (GEC/2/2/2/534)
1971-1981, file - 7Diesel electric locomotive electrical equipment layouts and general locomotive outlines including the Class 55 prototype (GEC/2/2/2/539)
1944-1960, file - 8Drawing list for overseas railways including Pakistan Eastern Railway, Great Indian Peninsula Railway, Antofagasta (Chili) & Bolivia Railway Company plc, Iraqi State Railways, Nigerian Railways and Rhodesia Railways (GEC/2/4/4)
1941-1950, item - 9Metropolitan-Vickers Electrical Co Ltd tender specifications (GEC/3/10/44)
1949, file - 10GEC Traction Limited manuals (GEC/3/6/83)
1957-1982, file - 11South & Central America photographs (GEC/4/2/13)
1927-1967, file