- 1General arrangements and outlines of diesel electric locomotives for UK & overseas railways (GEC/2/2/2/116)
1959-1973, file - 2Diesel electric locomotive general arrangements and bogie arrangements (GEC/2/2/2/188)
1947-1955, file - 3General arrangements, general outlines and seating plans (GEC/2/2/2/205)
1936-1963, file - 4Arrangements of frames and motor leads (GEC/2/2/5/5)
1946, file - 5Egyptian State Railway brake and pipe mechanical details (GEC/2/2/5/6)
1946-1947, file - 6Lifting hooks, slings and shipping locomotives diagrams for overseas railways (GEC/2/2/5/51)
1928-1955, file - 7Diesel electric shunting locomotive axlebox arrangements, general outlines and general arrangements amongst mechanical parts for the overseas railways of Tasmania, Australia, Brazil, Egypt, New Zealand, and Portugal (GEC/2/2/2/344)
1945-1954, file - 8Mechanical details including cow catcher and frame stretchers for Egyptian State Railways (GEC/2/2/5/67)
1946-1949, file - 9Mechanical parts for Tasmanian Government Railways, RFDN, Brazil, Queensland Government Railways, Egyptian State Railways and DH & DE prototype locomotives (GEC/2/2/5/68)
1947-1952, file - 10Mechanical parts for locomotives for Egyptian State Railways, Tasmanian Government Railways, and Queensland Government Railways (GEC/2/2/5/71)
1946-1958, file - 11Brake details for Egyptian State Railways, Tasmanian Government Railways (GEC/2/2/5/77)
1921-1952, file - 12Mechanical parts for Egyptian State Railways, RENFE and Great Indian Peninsula Railway (GEC/2/2/5/78)
1946-1954, file - 13Ventilation details and battery boxes for overseas railways (GEC/2/2/5/82)
1949-1956, file - 14Mechanical parts for overseas railways (GEC/2/2/2/362)
1947-1954, file - 15Mechanical details for overseas railways (GEC/2/2/5/92)
1946-1949, file
