six-stage super heterodyne receiver processed on the ECME system, 1936-1955

Radio Communication

1936-1955

'Channel' Band III television converter, type C2, 1955-1960

Radio Communication

1955-1960

Pye 'Cambridge International' 11-band broadcast receiver, 1953

Radio Communication

1953

Ekco AD75 radio receiver, 1946

Radio Communication

1946

Main part of Marconi 1.5KW transmitter from 2LO

Radio Communication

1922-1925

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

Radio Communication

1949

Home made 30-line televisor, 1934

Radio Communication

1934

aerial wire for use with home broadcast receivers, 1920-1940

Radio Communication

1920-1940

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

Radio Communication

1905

novelty crystal radio set, 1925-1930

Radio Communication

1925-1930

Original wheel or steel-disc coherer, 1902

Radio Communication

1902

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

Radio Communication

1875-1880

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

Radio Communication

1929-1935

Spark gap or knob coherer, 1889

Radio Communication

1889

Voigt condenser microphone

Radio Communication

1920-1940

Receiving ‘jigger’ used by the Marconi Company, 1898

Radio Communication

1898

Bas-relief head and shoulders of Guglielmo Marconi, 1903

Radio Communication

1903

Billi condenser used for aerial tuning in Newfoundland, 1901

Radio Communication

1901

Moulded unprocessed bakelite panel ready for ECME, 1936-1955

Radio Communication

1936-1955

part of Rugby transatlantic telephone transmitter, 1927-1956

Radio Communication

1927-1956

Billi condenser used for aerial tuning in Newfoundland, 1901

Radio Communication

1901

Ampex videotape recorder type VR 1000A

Radio Communication

Murphy 14-inch Band I/Band III television receiver, 1954

Radio Communication

1954

Wireless World Diary, 1933

Radio Communication

1933

two-valve short wave radio - telephonic receiver, 1927

Radio Communication

1927

Reporter mobile radiophone, 1951-1953

Radio Communication

1951-1953

Pye Bantam radio telephone set, 1963-1965

Radio Communication

1963-1965

Telstar maser assembly with magnet, 1962-1967

Radio Communication

1962-1967

Short-wave adaptor for broadcast receivers, 1935-1936

Radio Communication

1935-1936

Branly tripod coherer, 1900-1910

Radio Communication

1900-1910

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

Radio Communication

1949

C.W. transmitter/receiver, Mk.1, 1917

Radio Communication

1917

Syntonic Leyden jars, 1880-1889

Radio Communication

1880-1889

BBC printing stamp issued to the Willesden Wireless Company

Radio Communication

1922-1924

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

Radio Communication

1906-1916

'Italian Navy' detector, 1899-1901

Radio Communication

1899-1901

Crystal set with Braille dial markings, 1929-1935

Radio Communication

1929-1935

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

Radio Communication

1924-1927

Wartime civilian receiver A.C.mains type, 1944-1945

Radio Communication

1944-1945

Liquid-filled plastic lens television magnifier, 1935-1965

Radio Communication

1935-1965

Volume 1 No. 1 of "Television" monthly magazine, 1928

Radio Communication

1928

Sony 'Trinitron' colour television, 1969-1970

Radio Communication

1969-1970

aerial inductances, 1901

Radio Communication

1901

Iron borings coherer (Branly type), 1894

Radio Communication

1894

Iron borings coherer (Branly type), 1894

Radio Communication

1894

Coherer, ebonite, with adjustable contacts, 1890-1896

Radio Communication

1890-1896

Marconi-Reis transverse-current carbon microphone

Radio Communication

1925-1935

DLR No. 5 headphones from Wireless Set No. 38, 1939-1945

Radio Communication

1939-1945

Marconi coherer and Admiralty pattern decoherer, 1900-1910

Radio Communication

1900-1910

Three-valve radio receiver, 1922-1925

Radio Communication

1922-1925