child's china tea plate, 1922-1923

Radio Communication

1922-1923

Experimental form 1 (Licence to use Wireless Telegraph), 1905

Radio Communication

1905

Syntonic Leyden jars, 1880-1889

Radio Communication

1880-1889

Models of two parabolic zinc reflectors used by Heinrich Hertz, 1949

Radio Communication

1949

Voigt condenser microphone

Radio Communication

1920-1940

Branly tripod coherer, 1900-1910

Radio Communication

1900-1910

Silicon crystal for wireless telegraphy, mounted in a locket, 1906-1916

Radio Communication

1906-1916

aerial inductances, 1901

Radio Communication

1901

Brownie crystal receiver and pair of Lissen headphones, 1924-1927

Radio Communication

1924-1927

low-pass filter from 'Oscar One' CB transceiver, 1980-1983

Radio Communication

1980-1983

Experimental transmitting ‘jigger’ used by the Marconi Company, 1899

Radio Communication

1899

Hertzian oscillator, 1890-1894

Radio Communication

1890-1894

two-valve radio receiver made on the ECME machine, 1947-1948

Radio Communication

1947-1948

Radio tuning coil No. 300, 1922-1923

Radio Communication

1922-1923

Ampex videotape recorder, type VR 1000A, serial nu

Radio Communication

Radio tuning coil No. 1000, 1922-1923

Radio Communication

1922-1923

Radio tuning coil No. 75, 1922-1923

Radio Communication

1922-1923

V2A Marconiphone receiver (long-range model) , 1922-1924

Radio Communication

1922-1924

Radio Times volume 1 No. 1, 1923

Radio Communication

1923

Marconi 1.5kW transmitter used by 2LO

Radio Communication

1922

Model of wire screen in octagonal frame used by Heinrich Hertz, 1949

Radio Communication

1949

Home made 30-line televisor, 1934

Radio Communication

1934

microphone from 'Oscar One' CB transceiver, 1980-1983

Radio Communication

1980-1983

Home-made equipment for 30-line television reception, 1929-1935

Radio Communication

1929-1935

Original wheel or steel-disc coherer, 1902

Radio Communication

1902

Clockwork interruptor, once owned by David Hughes, 1875-1880

Radio Communication

1875-1880

Spark gap or knob coherer, 1889

Radio Communication

1889

Receiving ‘jigger’ used by the Marconi Company, 1898

Radio Communication

1898

BBC printing stamp

Radio Communication

1922-1924

Billi condenser used for aerial tuning in Newfoundland, 1901

Radio Communication

1901

Bas-relief head and shoulders of Guglielmo Marconi, 1903

Radio Communication

1903

Telstar maser assembly with magnet, 1962-1967

Radio Communication

1962-1967

Moulded unprocessed bakelite panel ready for ECME, 1936-1955

Radio Communication

1936-1955

Billi condenser used for aerial tuning in Newfoundland, 1901

Radio Communication

1901

Crystal set with Braille dial markings, 1929-1935

Radio Communication

1929-1935

Coherer, ebonite, with adjustable contacts, 1890-1896

Radio Communication

1890-1896

'Radio Celebrities Second Series' cigarette card album, 1934-1940

Radio Communication

1934-1940

Moulded unprocessed bakelite panel ready for ECME, 1936-1955

Radio Communication

1936-1955

mini SWR bridge from 'Oscar One' CB transceiver, 1980-1983

Radio Communication

1980-1983

Oscar One CB mobile/base radio transceiver, 1980-1983

Radio Communication

1980-1983

Model of open oscillator with spherical radiators used by Heinrich Hertz, 1949

Radio Communication

1949

Copper earthing tube believed to have been used by Marconi, 1890-1897

Radio Communication

1890-1897

Hertzian receiving resonator, 1890-1894

Radio Communication

1890-1894

Spiral spring coherer, 1890-1894

Radio Communication

1890-1894

Antiference Band I (Channel 4) television aerial, 1957-1985

Radio Communication

1955-1985

'Radio Celebrities' cigarette card album, 1934-1940

Radio Communication

1934-1940

moulded unprocessed Bakelite panel ready for ECME, 1936-1955

Radio Communication

1936-1955

coaxial switch from 'Oscar One' CB transceiver, 1980-1983

Radio Communication

1980-1983

horseshoe magnet and keep used with experimental form of magnetic detector, 1900-1910

Radio Communication

1900-1910

Pye Band III converter, type F124, 1955-1960

Radio Communication

1955-1960