- 1Metropolitan-Vickers Electrical Co Ltd tender specifications (GEC/3/10/1)
1945-1947, file - 2Metropolitan-Vickers Electrical Co Ltd tender specifications (GEC/3/10/2)
1926-1954, file - 3Metropolitan-Vickers Electrical Co Ltd tender specifications (GEC/3/10/3)
1949-1951, file - 4Metropolitan-Vickers Electrical Co Ltd tender specifications (GEC/3/10/4)
1950, file - 5Metropolitan-Vickers Electrical Co Ltd tender specifications (GEC/3/10/5)
1928-1929, file - 6Metropolitan-Vickers Electrical Co Ltd tender specifications (GEC/3/10/6)
1954-1955, file - 7Metropolitan-Vickers Electrical Co Ltd tender specifications (GEC/3/10/7)
1932-1948, file - 8AEI Traction Division tender specifications (GEC/3/10/8)
1957-1968, file - 9Metropolitan-Vickers Electrical Co Ltd tender specifications (GEC/3/10/9)
1937-1955, file - 10Metropolitan-Vickers Electrical Co Ltd tender specifications (GEC/3/10/10)
1944-1947, file - 11GEC Traction Limited tender specifications (GEC/3/10/11)
1922-1983, file - 12Metropolitan-Vickers Electrical Co Ltd tender specifications (GEC/3/10/12)
1950-1951, file - 13Metropolitan-Vickers Electrical Co Ltd tender specifications (GEC/3/10/13)
1933-1934, file - 14Metropolitan-Vickers Electrical Co Ltd tender specifications (GEC/3/10/14)
1928-1954, file - 15Metropolitan-Vickers Electrical Co Ltd tender specifications (GEC/3/10/15)
1927-1933, file