- 1Frame drawings of ISCOR locomotives (GEC/2/2/1/1)
1974-1988, file - 2Body and cab layouts for ISCOR locomotives (GEC/2/2/1/23)
1978-1986, file - 3 ISCOR mechanical parts details for Union Carriage & Wagon Co (GEC/2/2/1/25)
1975-1986, file - 4Class 9E ISCOR inertia filter drawings (GEC/2/2/1/31)
1976-1981, file - 5Doors, locks and hinges for ISCOR locomotives (GEC/2/2/1/32)
1975-1977, file - 6ISCOR Union Carriage pipework details (GEC/2/2/1/63)
1975-1981, file - 7ISCOR locomotives mechanical details (GEC/2/2/1/66)
1976-1978, file - 8ISCOR locomotives mechanical details (GEC/2/2/1/68)
1963-1982, file - 9South African Railways mechanical parts (GEC/2/2/1/72)
1967-1986, file - 10ISCOR locomotive roof cab and floor arrangements (GEC/2/2/1/74)
1976, file - 11General arrangements for Post Office (London) Railway and overseas railways (GEC/2/2/2/179)
1947-1975, file - 12Overseas railways painting diagrams and mechanical parts (GEC/2/2/1/75)
1967-1992, file - 13Overseas railways drivers desk arrangement details, cab panelling and frames (GEC/2/2/1/78)
1975-1985, file - 14GEC Traction photo albums (GEC/4/3/4)
1966-1975, file - 15South Africa & British Rail EMU photographs (GEC/4/2/18)
c 1959-c 1965, file