- 1Collection of technical drawings and trade literature relating to a Kearns Borer supplied to UMIST. (YA1986.150/MS0268)
1954-1960, fonds - 2BTH Reminiscences - Sixty Years Of Progress (YA1996.1735/MS0531/39)
1946, item - 3BT-H Radio Receivers & Accessories (YA1996.1735/MS0531/77)
undated (20th century), item - 4The Tungar a patented device for charging accumulators from alternating current (YA1996.1735/MS0531/94)
1929 September, item - 5Loud Speakers, Head Telephones and Gramaphone Equipment (YA1996.1735/MS0531/96)
1928 September, item - 6Catalogue and Sales Lists Electric Powered Vehicles (YA1999.81)
1934-1956, fonds - 7The British Thomson-Houston Co Ltd Instruction Book No 1427* Polyphase Induction Motors Types RS & RW Edition H (YA2011.56/1)
c 1950, item - 8The British Thomson-Houston Co Ltd Instruction Book No 1442* Type DK DC Crane Motor (YA2011.56/2)
c 1950, item - 9The British Thomson-Houston Co Ltd Instruction Book No 1478* for Direct Current Motors and Generators (YA2011.56/3)
c 1950, item - 10Drawing Office records (GEC/2)
1874-1994, sub-fonds - 11Engineering records (GEC/3)
1846-1993, sub-fonds - 12Reports (GEC/1/1)
1920-1993, series - 13Drawing registers (GEC/2/1)
1905-1983, series - 14Volume entitled: "Electronics Engineering Department - Report of year's work for 1945" (MS/0482)
1946, fonds - 15Manuals (GEC/3/6)
1913-1984, series