Picture and waveform monitor and camera control chassis for the Marconi Mk II television camera, 1950-1955 1950-1955
Receiving ‘jigger’ or oscillation transformer with single layer split secondary coil and superimposed moveable two-part primary coil, used by the Marconi Company, probably made by Marconi's Wireless Telegraphy Company, Chelmsford, Essex, England, 1899 Receiving ‘jigger’ used by the Marconi Company, 1899 1899
Astatic Current Indicator (No 615) marked 'Crompton's patent' maded by R E Crompton & Co circa 1878-1927
Model steam locomotive, scale 1/24, Caledonian Railway 4-2-2 No 123, made by inmates of HM Prison Chelmsford for presentation to Governor D Sinclair, c 1995. Model of Caledonian Railway steam locomotive, c 1995 1990-2000