Large metal Iolanda switchboard with 2 meters (No. 60939), made by Marconi's Wireless Telegraph Company Limited, Chelmsford, Essex, England, 1900-1950 Metal Iolanda switchboard, 1900-1950 1900-1950
Aerial array, type 282, consisting of one reflector unit, A.S.E. patt. no. W.4670/A; two strongbacks, A.S.E. patt. no. W.5236; two support arms, A.S.E. patt. no. 5237, and two dipole units, A.S.E. patt. no. 5654/A Aerial array
Marconi portable traffic analyser type S350 (PETA), c. 1960 Marconi portable traffic analyser type S350 (PETA)