- 1Wilkes & Ashmore Archive (WILKES)
1956-1966, fonds - 2Order books of Tearne & Sons Ltd (TEA)
1896-1909, fonds - 3GEC Witton drawing register (GEC/2/1/1)
c 1960, item - 4British Railways 6" rail alphabet (in reverse) (GEC/2/2/2/367)
c 1965, file - 5British Thomson-Houston Co Ltd drawing register (GEC/2/1/2)
1906-1960, item - 6British Thomson-Houston Co Ltd drawing register (GEC/2/1/3)
1905-1956, item - 7British Thomson-Houston Co Ltd drawing register (GEC/2/1/4)
1956-1965, item - 8Associated Electrical Industries drawing register (GEC/2/1/5)
1971-1981, item - 9Associated Electrical Industries drawing register (GEC/2/1/6)
1966-1971, item - 10Metropolitan-Vickers Electrical Co Ltd drawing register (GEC/2/1/7)
1946-1953, item - 11Metropolitan-Vickers Electrical Co Ltd drawing register (GEC/2/1/8)
1949-1961, item - 12Metropolitan-Vickers Electrical Co Ltd drawing register (GEC/2/1/9)
1940-1949, item - 13Metropolitan-Vickers Electrical Co Ltd drawing register (GEC/2/1/10)
1921-1923, item - 14Metropolitan-Vickers Electrical Co Ltd drawing register (GEC/2/1/11)
1922-1926, item - 15Metropolitan-Vickers Electrical Co Ltd drawing register (GEC/2/1/12)
1948-1960, item