- 1Mechanical components for overseas railways (GEC/2/2/2/31)
1965-1969, file - 2Ghana Railways arrangement of generator cables and lighting conduits (GEC/2/2/2/45)
1967-1969, file - 3Arrangement of equipment (GEC/2/2/2/60)
1968-1969, file - 4Underframe air and vaccum pipe arrangement (GEC/2/2/2/84)
1969, file - 5Arrangement of equipment and a general outline (GEC/2/2/2/155)
1953-1966, file - 6General arrangements for Post Office (London) Railway and overseas railways (GEC/2/2/2/179)
1947-1975, file - 7Mecahnical arrangements including roof equipment layouts and piping details (GEC/2/2/2/200)
1968-1969, file - 8Mechanical layouts for overseas railways (GEC/2/2/2/204)
1954-1965, file - 9Overseas railways general outlines of Bo-Bo and Co-Co electric locomotives (GEC/2/2/2/235)
1949-1957, file - 10Cab arrangement, welded attachments, and arrangements of lighting and cables for Ghana Railways and Portugal Railways (GEC/2/2/2/327)
1966-1969, file - 11Locomotive mechanical parts for overseas railways and for the British Transport Commission DH & DE locomotive prototype (GEC/2/2/5/72)
1953-1956, file - 12Mechanical parts for overseas railways including Nigerian Railway, RFDN, Brazil, Buenos Aires & Pacific Railway, Ghana Railways and Harbours, Gold Coast Government Railway, Central Argentine Railway, and New Zealand Railway (GEC/2/2/5/73)
1953-1955, file - 13Mechanical parts for overseas railways (GEC/2/2/2/362)
1947-1954, file - 14Ghana Railways and Harbours 750hp diesel electric locomotive Class 751 mechanical parts (GEC/2/2/2/386)
1958-1963, file - 15Circuit diagrams for East African Railway, Antofagasta (Chili) & Bolivia Railway Company, Ghana Railways and British Railways Board (GEC/2/2/2/475)
1967-1988, file