拍品专文
The Marconi Scientific Instrument Co. Ltd. was established in 1919 as a Marconi subsidiary providing high-quality equipment for radio experimenters.
细节
Marconi Scientific Instrument Company Ltd:
a set of Unit System equipment comprising No. 7 (three-valve detector), No. 2 (tuner with swivelling Reaction unit over interchangeable plates marked A, A1-A3, B and D - G, the spare plates housed in the base), No. 3 (single valve Filament Resistance and Reaction tuner), No 5 (single-valve Filament Resistance tuner); and two 100mf condensers (no valves) (8)
a set of Unit System equipment comprising No. 7 (three-valve detector), No. 2 (tuner with swivelling Reaction unit over interchangeable plates marked A, A1-A3, B and D - G, the spare plates housed in the base), No. 3 (single valve Filament Resistance and Reaction tuner), No 5 (single-valve Filament Resistance tuner); and two 100mf condensers (no valves) (8)