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Fleming diode valve, 1889

Electronic Components

1889

One of Fleming's first diode valves, 1889

Electronic Components

1889

Loewe 3NF radio valve, 1926-1966

Electronic Components

1926-1966

Sargrove sprayed circuit radio receiver production prototype, 1936-1948

Electronic Components

1936-1948

One of Fleming's first thermionic diode valves, 1889

Electronic Components

1889

Submarine repeater pentode, 1950-1970

Electronic Components

1950-1970

Submarine repeater pentode P.O. type 8P, 1950-1970

Electronic Components

1950-1970

Sargrove sprayed-circuit radio receiver experiment, 1936-1937

Electronic Components

1936-7

De Forest Audion 1906-1915

Electronic Components

1906-1915

Submarine-repeater pentode, P.O. type 6P10, 1950-1970

Electronic Components

1950-1970

Mazradia E4M triode valve (McVitie Weston valve collection), 1910-1960

Electronic Components

1910-1960

Collection of early valves, 1915-1945

Electronic Components

1915-1945

Submarine repeater valve, 1950-1960

Electronic Components

1950-1960

Passive component plate, type A3, for Sargrove sprayed-circuit radio receiver, 1936-1948

Electronic Components

1936-1948

Submarine repeater pentode P.O. type 10P, 1950-1970

Electronic Components

195-1970

first sealed-off travelling wave tube, 1945-1946

Electronic Components

1945-1946

Point-contact transistor,type GET 2 c.1953

Electronic Components

c. 1953

Cosmos DE.11 general-purpose triode valve (McVitie Weston valve collection), 1924

Electronic Components

1924

General Electric CA101 Pilotron triode (McVitie Weston valve collection), 1918

Electronic Components

1918

CV1092 diode, 1904-1965

Electronic Components

1904-1965

DA 60 RF triode valve, 1929-1972

Electronic Components

1929-1972

Mazda 1R5 heptode valve, 1933-1966

Electronic Components

1933-1966

Siemens & Halske AG radio valve, 1884-1936

Electronic Components

1884-1936

loud speaker valve type L.S.5. W/T, 1923

Electronic Components

1923

Mullard VP13C thermionic valve, 1934-1988

Electronic Components

1934-1988

FE1 valve, 1920-1966

Electronic Components

1920-1966

Cossor Wurncell W.1 output triode valve (McVitie Weston valve collection), 1923

Electronic Components

1923

Thorpe 4-electrode valve (McVitie Weston valve collection) 1924

Electronic Components

1924

Transistor, early British Experimental Device from

Electronic Components

Western Electric 717A pentode, 1926-1966

Electronic Components

1926-1966

CV1025 triode, 1906-1965

Electronic Components

1906-1965

Ashton cables

Electronic Components

E.S.75 wireless valve, 1883-1930

Electronic Components

1883-1930

L.S.2 radio valve, 1920-1938

Electronic Components

1920-1938

Early junction transistor (B.T.H.), c.1953

Electronic Components

Emitron 6X4 rectifier, 1931-1966

Electronic Components

1931-1966

Radio valve, micromesh type 7A.2, 1932-1933

Electronic Components

1932-1933

Mullard PM6D output triode valve (McVitie Weston valve collection), 1929-1972

Electronic Components

1929-1972

Mullard T.H.4 radio valve, 1936

Electronic Components

1936

Mullard EF9 VM RF pentode valve (McVitie Weston valve collection), 1939

Electronic Components

1939

Ora wireless receiving triode, 1921

Electronic Components

1921

Sylvania 1LA6 frequency changer valve, 1931-1966

Electronic Components

1931-1966

Nelson multi A valve (McVitie Weston valve collection), 1920-1930

Electronic Components

1920-1930

Amplifying valve type V24, 1920-1922

Electronic Components

1920-1922

EF50 Valve, 1939

Electronic Components

1939

K.L.1 ungettered valve, 1920-1927

Electronic Components

1920-1927

Fotos triode valve with two top caps (McVitie Weston valve collection), 1916-1972

Electronic Components

1916-1972

Magnetron Block as used in the original Magnetron

Electronic Components

Ostar-Ganz general-purpose triode valve (McVitie Weston valve collection) 1906-1972

Electronic Components

1906-1972

Osram W30 VM RF catkin pentode valve (McVitie Weston valve collection), 1935-1972

Electronic Components

1935-1972