- 1Photographs of electrical equipment (YA1974.34/MS0249)
1974, fonds - 2Viewdata 1100 (TM3) Users and Editors Manual (YA1996.638)
c1981, item - 3Manchester Telegraph and Automatic Exchange System (YA1999.2)
1911-1930, fonds - 4Collection of Post Office Telegram and Telephone Papers (YA2005.92)
1900 - 1989, fonds - 5Copies of Wireless Magazine and company brochures for Bertram Thomas. (YMS0508)
c1929-1930, fonds - 6Film - GEC Centenary (GEC/4/6/10)
1986, item - 7Film - Miles of Progress: the Electrification of the East Coast Main Line (ECML) (GEC/4/6/15)
1987, item - 8Creed Teleprinter Maintenance Manual and Spare Parts Lists (YA1987.201)
c 1950, fonds
