- 1Marconi Instruments papers (BURD/A/10)
1940 - 1944, sub-series - 2Brief specification of apparatus MME 7 (BURD/A/10/MME01)
30 October 1940, item - 3Letter from C. Horne to F.L. Golla, 12 June 1941 (BURD/A/10/MME02)
12 June 1941, item - 4Letter from C. Horne to F.L. Golla, 20 June 1941 (BURD/A/10/MME04)
20 June 1941, item - 5Letter from C. Horne to F.L. Golla, 30 June 1941 (BURD/A/10/MME06)
30 June 1941, item - 6Letter from C. Horne to William Grey Walter, 10 September 1942 (BURD/A/10/MME07)
10 September 1942, item - 7Photograph: Marconi ink recorder (BURD/A/10/MME08)
? 1942, item - 8Photograph: Marconi ticker tape recorder (BURD/A/10/MME09)
? 1942, item - 9Photograph: Marconi high speed recorder (BURD/A/10/MME10)
? 1942, item - 10Photograph: Marconi double pen recorder (BURD/A/10/MME11)
? 1942, item - 11Blueprint: E.E.G. circuit, power unit and two channel amplifier (BURD/A/10/MME12)
4 August 1944, item - 12Blueprint: Electrode Selector Wiring (BURD/A/10/MME13)
4 August 1944, item
