Marconi Marine Radio Receiver
1935-1940
Universal Component Bridge mad
Photograph: Marconi high speed recorder
Photograph: Marconi ticker tape recorder
Letter from C. Horne to William Grey Walter, 10 September 1942
Letter from C. Horne to F.L. Golla, 20 June 1941
Blueprint: E.E.G. circuit, power unit and two channel amplifier
Letter from C. Horne to F.L. Golla, 12 June 1941
Blueprint: Electrode Selector Wiring
Brief specification of apparatus MME 7
Photograph: Marconi ink recorder
Letter from C. Horne to F.L. Golla, 30 June 1941
Photograph: Marconi double pen recorder
Marconi Instruments papers
Marconi Instruments Ltd moving coil galvanometer
1955