Stud field regulator, 1900-1950
1900-1950
Ferguson television receiver, 20", black-and-white, 1979
1979
Cavity Magnetron Valve
'MPB' call sign plaque, 1900-1950
1900-1950
Amplion loud speaker with wooden horn, 1925
1925
Straight horn loudspeaker, 1921-1926
1921-1926
Guard lamps on wooden board, 1900-950
1900-1950
Wireless World Diary, 1933
1933
High frequency sliding inductance on wood base, 1900-1950
1900-1950
Wooden pillar insulators, 1900-1950
1900-1950
Copper busbars and ebonite insulators, 1900-1950
1900-1950
Pye 'Cambridge International' 11-band broadcast receiver, 1953
1953
Home made 30-line televisor, 1934
1934
Rotary convertor, 1900-1950
1900-1950
De Forest syntoniser, 1902-1907
1902-1907
Pye PTC 2007 radio telephone, 1955-1964
1955-1964
Wartime civilian receiver A.C.mains type, 1944-1945
1944-1945
Six-stage super heterodyne receiver processed on the ECME system, 1936-1955
1936-1955
Two-valve short wave radio - telephonic receiver, 1927
1927
Aerial tuning inductance, 1900-1950
1900-1950
Reporter mobile radiophone, 1951-1953
1951-1953
'Channel' Band III television converter, type C2, 1955-1960
1955-1960
Antiference 5-element Band III television aerial, 1945-1985
1955-1985
Liquid-filled Plastic Lens Television Magnifier, 1935-1965
1935-1965
Ekco AD75 radio receiver, 1946
1946
Iolanda transformer in wooden box, 1900-1950
1900-1950
Low frequency iron core inductance, 1900-1950
1900-1950
Tuning indicator with lamp, 1900-1950
1900-1950
High-frequency chokes, 1900-1950
1900-1950
Volume 1 No. 1 of "Television" monthly magazine, 1928
1928
Brownie crystal receiver and pair of Lissen headphones, 1924-1927
1924-1927
Moulded unprocessed bakelite panel ready for ECME, 1936-1955
1936-1955
Radio tuning coil No. 150, 1922-1923
1922-1923
Radio tuning coil No. 100, 1922-1923
1922-1923
Cosmos crystal receiver, 1920-1930
1920-1930
Radio tuning coil No. 300, 1922-1923
1922-1923
Radio tuning coil No. 200, 1922-1923
1922-1923
Demonstration radio receiver
1926
Marconi coherer and Admiralty pattern decoherer, 1900-1910
1900-1910
Syntonic Leyden jars, 1880-1889
1880-1889
Hertzian receiving resonator, 1890-1894
1890-1894
Coherer, ebonite, with adjustable contacts, 1890-1896
1890-1896
Part of Rugby transatlantic telephone transmitter, 1927-1956
1927-1956
Gecophone broadcast receiver, model B.C 3200, 1924
1924
'Radio at a glance' chart, 1925-1935
1925-1935
Morse tape on which signals were recorded by means of a coherer, 1900
1900
Hertzian oscillator, 1890-1894
1890-1894
Spiral spring coherer, 1890-1894
1890-1894
Silicon crystal for wireless telegraphy, mounted in a locket, 1906-1916
1906-1916
Amateur radio call books, 1938 and 1951
1938 and 1951