- 1Drawing Office records (GEC/2)
1874-1994, sub-fonds - 2Engineering records (GEC/3)
1846-1993, sub-fonds - 3Reports (GEC/1/1)
1920-1993, series - 4Drawing registers (GEC/2/1)
1905-1983, series - 5Manuals (GEC/3/6)
1913-1984, series - 6Publications (GEC/4/1)
1904-1996, series - 7Microfiche (GEC/4/4)
1857-c 1993, series - 8Quality standards (GEC/1/4)
1920-1992, series - 9British Thomson-Houston Co Ltd drawing register (GEC/2/1/2)
1906-1960, item - 10British Thomson-Houston Co Ltd drawing register (GEC/2/1/3)
1905-1956, item - 11British Thomson-Houston Co Ltd drawing register (GEC/2/1/4)
1956-1965, item - 12Engineering standards (GEC/3/9)
1931-1968, series - 13Codes of Practice file and Drawing Office Routine Letters Standards Manual (GEC/1/4/3)
1953-1988, file - 14GEC Diesels Limited, GEC Alsthom Traction Limited, Metro-Cammell Docklands Transit System, English Electric-AEI Traction Limited, Associated Electrical Industries, British Thomson-Houston Electric Traction Equipment and The British Electrical & Allied Industries Research Association technical reports for the English Electric Company technical reports (GEC/1/1/3)
1932-1992, file - 15General Electric Company, USA brochures and publications (GEC/4/1/10)
1904-1951, file
