Zinc sulphide luminescent panel, sold by Proops, uses 240 AC. ((1965) Zinc sulphide luminescent panel
Low noise Travelling Wave Tube type N 1017M in metal canister with co-axial input and output connections, frequency range 1.2 - 1.4Gc/s power output 2 mW with low-level gain of 26 db Low noise Travelling Wave Tube type N 1017M in metal canister with co-axial input and output connections
Waveguide assembly (including magnetron and magnet) from British Army No.4 Mk.VII search radar Waveguide assembly