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One of Fleming's first thermionic diode valves, 1889

Electronic Components

1889

One of Fleming's first thermionic diode valves, 1889

Electronic Components

1889

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

Electronic Components

1918

One of Fleming's first thermionic diode valves, 1889

Electronic Components

1889

Amplifying valve type V24, 1920-1922

Electronic Components

1920-1922

Collection of early valves, 1915-1945

Electronic Components

1915-1945

Sargrove sprayed circuit radio receiver production prototype, 1936-1948

Electronic Components

1936-1948

Western Electric 717A pentode, 1926-1966

Electronic Components

1926-1966

Submarine repeater valve, 1950-1960

Electronic Components

1950-1960

Submarine repeater pentode, 1950-1970

Electronic Components

1950-1970

De Forest Audion 1906-1915

Electronic Components

1906-1915

CV1092 diode, 1904-1965

Electronic Components

1904-1965

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

Electronic Components

1936-1948

Transistor, early British Experimental Device from

Electronic Components

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

Electronic Components

1910-1960

De Forest Audion soft detector triode (McVitie Weston valve collection), 1906-1972

Electronic Components

1906-1972

Point-contact transistor,type GET 2 c.1953

Electronic Components

c. 1953

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

Electronic Components

1950-1970

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

Electronic Components

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

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

Electronic Components

1950-1970

Mazda 1R5 heptode valve, 1933-1966

Electronic Components

1933-1966

Mullard VP13C thermionic valve, 1934-1988

Electronic Components

1934-1988

Osram A.T.40 triode valve, 1921-1934

Electronic Components

1921-1934

Cossor OM6 pentode valve (McVitie Weston valve collection), 1925-1946

Electronic Components

1925-1946

E.S.75 wireless valve, 1883-1930

Electronic Components

1883-1930

L.S.2 radio valve, 1920-1938

Electronic Components

1920-1938

Ora wireless receiving triode, 1921

Electronic Components

1921

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

Electronic Components

1939

Sylvania 1LA6 frequency changer valve, 1931-1966

Electronic Components

1931-1966

Mullard T.H.4 radio valve, 1936

Electronic Components

1936

Emitron 6X4 rectifier, 1931-1966

Electronic Components

1931-1966

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

Electronic Components

1924

EF50 Valve, 1939

Electronic Components

1939

DA 60 RF triode valve, 1929-1972

Electronic Components

1929-1972

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

Electronic Components

1920-1930

Magnetron Block as used in the original Magnetron

Electronic Components

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

Electronic Components

1923

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

Electronic Components

1916-1972

K.L.1 ungettered valve, 1920-1927

Electronic Components

1920-1927

AF triode valve (McVitie Weston valve collection), 1906-1972

Electronic Components

1906-1972

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

Electronic Components

1906-1972

Mullard video output pentode, T.S.P.4, 1920-1936

Electronic Components

1920-1936

FE1 valve, 1920-1966

Electronic Components

1920-1966

Marconi Osram DE 5b radio valve, 1920-1937

Electronic Components

1920-1937

CV525 pentode, 1924-1965

Electronic Components

1924-1965

VT60A triode 807 valve (McVitie Weston valve collection), 1906-1972

Electronic Components

1906-1972