High frequency sliding inductance on wood base, 1900-1950
1900-1950
Wooden pillar insulators, 1900-1950
1900-1950
Stud field regulator, 1900-1950
1900-1950
Copper busbars and ebonite insulators, 1900-1950
1900-1950
Rotary convertor, 1900-1950
1900-1950
Guard lamps on wooden board, 1900-950
1900-1950
Aerial tuning inductance, 1900-1950
1900-1950
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
Ferguson television receiver, 20", black-and-white, 1979
1979
Cavity Magnetron Valve
'MPB' call sign plaque, 1900-1950
1900-1950
Six-stage super heterodyne receiver processed on the ECME system, 1936-1955
1936-1955
Moulded unprocessed bakelite panel ready for ECME, 1936-1955
1936-1955
Pye 'Cambridge International' 11-band broadcast receiver, 1953
1953
Amplion loud speaker with wooden horn, 1925
1925
Straight horn loudspeaker, 1921-1926
1921-1926
Brownie crystal receiver and pair of Lissen headphones, 1924-1927
1924-1927
Radio tuning coil No. 100, 1922-1923
1922-1923
Radio tuning coil No. 150, 1922-1923
1922-1923
Radio tuning coil No. 200, 1922-1923
1922-1923
Radio tuning coil No. 300, 1922-1923
1922-1923
Liquid-filled Plastic Lens Television Magnifier, 1935-1965
1935-1965
Wartime civilian receiver A.C.mains type, 1944-1945
1944-1945
Antiference 5-element Band III television aerial, 1945-1985
1955-1985
Cosmos crystal receiver, 1920-1930
1920-1930
Home made 30-line televisor, 1934
1934
Reporter mobile radiophone, 1951-1953
1951-1953
'Channel' Band III television converter, type C2, 1955-1960
1955-1960
Ekco AD75 radio receiver, 1946
1946
Two-valve short wave radio - telephonic receiver, 1927
1927
De Forest syntoniser, 1902-1907
1902-1907
Pye PTC 2007 radio telephone, 1955-1964
1955-1964
Demonstration radio receiver
1926
Filings coherer, glass tube bent into U-shape at one end, 1894-1904
1894-1904
Filings coherer, glass tube almost of taper shape, 1894-1904
1894-1904
Marconi coherer and Admiralty pattern decoherer, 1900-1910
1900-1910
Filings coherer, Lodge-Muirhead system, 1900-1910
1900-1910
Filings coherer, glass tube containing powdered copper, bulb at one end, 1894-1904
1894-1904
Syntonic Leyden jars, 1880-1889
1880-1889
Hertzian receiving resonator, 1890-1894
1890-1894
Filings coherer, Lodge pattern with two wires inserted into bulb at one end, 1894-1904
1894-1904
Coherer, ebonite, with adjustable contacts, 1890-1896
1890-1896
Coherer, narrow-bore glass tube, 1894-1904
1894-1904
Filings coherer, small glass tube with bulb at one end and cap of red sealing wax at other end, 1898
1898
Gecophone broadcast receiver, model B.C 3200, 1924
1924
Filings coherer, glass tube with side-pocket attached to mounting bracket, 1894-1904
1894-1904
'Radio at a glance' chart, 1925-1935
1925-1935