- 1Pakistan Eastern Railway diesel electric locomotive (GEC/2/2/1/11)
1969-1972, file - 2General outlines of electric locomotives (GEC/2/2/2/24)
1965-1968, file - 3Mechanical details (GEC/2/2/2/49)
1962-1970, file - 4Control equipment panels and details for Malayan Railways, British Rail Southern Region (STEP) and Eastern Region, Danish State Railways, Pakistan Eastern Railway, Northern Ireland Railways, Portguese Railways, British Railways Board type 4 locomotive (GEC/2/2/2/630)
1965-1971, file - 5Equipment cubicle assemblies for Pakistan Railways and British Rail Western Region (GEC/2/2/2/636)
1941-1971, file - 6Electrical equipment layouts for overseas railways including South African Railways and Harbours, Iran Railways, Malaya Railways, East African Railways & Harbours, Pakistan Eastern Railway, Pakistan Western Railway, and Central Railway of Brazil (GEC/2/2/34/81)
1968-1975, file - 7Drawing 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 - 8East African Railways & Harbours 72 Class, Ghana diesel electric Co-Co, Pakistan Eastern Railway (Bangladesh) 550hp Bo-Bo Diesel-Electric, Pakistan Western locos (25kV) and S.A.M. Comrails photo albums (GEC/4/3/2)
1960-1969, file - 9GEC Traction photo albums (GEC/4/3/4)
1966-1975, file - 10AEI Traction Division tender specifications (GEC/3/10/8)
1957-1968, file - 11Metropolitan-Vickers Electrical Co Ltd tender specifications (GEC/3/10/12)
1950-1951, file - 12English Electric Company test specifications (GEC/3/11/3)
1957, file - 13English Electric Company test specifications (GEC/3/11/13)
1947-1962, file - 14Metropolitan-Vickers Electrical Co Ltd & English Electric Company test specifications (GEC/3/11/17)
1949-c 1968, file - 15Associated Electrical Industries & English Electric-AEI Traction Limited manuals (GEC/3/6/81)
1960-1969, file
