- 1General arrangements and outlines of diesel electric locomotives for UK & overseas railways (GEC/2/2/2/116)
1959-1973, file - 2Pipe clips and carriers for RENFE (GEC/2/2/2/229)
1951-1957, file - 3Overseas railways general outlines of Bo-Bo and Co-Co electric locomotives (GEC/2/2/2/235)
1949-1957, file - 4Overseas railways general arrangements of diesel electric locomotives (GEC/2/2/2/261)
1947-1956, file - 5Cables, cleats and clamps details (GEC/2/2/5/15)
1951-1953, file - 6Bracket, main frame and drawgear details (GEC/2/2/5/16)
1950-1952, file - 7Plate sections and details of collapsible ladders, doors and panelling (GEC/2/2/5/17)
1951-1952, file - 8Whistle modifications and speed indicator arrangements (GEC/2/2/5/20)
1951-1957, file - 9RENFE locomotive mechanical parts (GEC/2/2/5/23)
1950-1951, file - 10RENFE locomotive general outline and mechanical parts (GEC/2/2/5/24)
1951-1952, file - 11RENFE locomotives air ducting and battery box mechanical parts (GEC/2/2/5/27)
1948-1952, file - 12RENFE locomotives loading and shipping arrangements (GEC/2/2/5/28)
1952, file - 13RENFE and Great Indian Peninsula Railway pantograph arrangements, pipe clips, and brackets (GEC/2/2/5/32)
1949-1958, file - 14RENFE electrical lights, switch panel, diagram of connections and lighting arrangements (GEC/2/2/5/33)
1951-1958, file - 15Overseas railways mechanical details and wiring diagrams (GEC/2/2/2/295)
1951-1953, file
