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Sargrove sprayed-circuit radio receiver experiment, 1936-1937

Electronic Components

1936-7

One of Fleming's first thermionic diode valves, 1889

Electronic Components

1889

One of Fleming's first thermionic diode valves, 1889

Electronic Components

1889

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

Electronic Components

1950-1970

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

Loewe 3NF radio valve, 1926-1966

Electronic Components

1926-1966

One of Fleming's first thermionic diode valves, 1889

Electronic Components

1889

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

Electronic Components

195-1970

Sargrove sprayed circuit radio receiver production prototype, 1936-1948

Electronic Components

1936-1948

first sealed-off travelling wave tube, 1945-1946

Electronic Components

1945-1946

De Forest Audion 1906-1915

Electronic Components

1906-1915

Submarine repeater pentode, 1950-1970

Electronic Components

1950-1970

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

Electronic Components

1950-1970

Point-contact transistor,type GET 2 c.1953

Electronic Components

c. 1953

CV1092 diode, 1904-1965

Electronic Components

1904-1965

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

Electronic Components

1924

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

Electronic Components

1923

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

Mullard T.H.4 radio valve, 1936

Electronic Components

1936

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

Electronic Components

1932-1933

Ora wireless receiving triode, 1921

Electronic Components

1921

Amplifying valve type V24, 1920-1922

Electronic Components

1920-1922

Emitron 6X4 rectifier, 1931-1966

Electronic Components

1931-1966

EF50 Valve, 1939

Electronic Components

1939

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

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

Electronic Components

1920-1930

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

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

Electronic Components

1910-1960

DA 60 RF triode valve, 1929-1972

Electronic Components

1929-1972

Sylvania 1LA6 frequency changer valve, 1931-1966

Electronic Components

1931-1966

Magnetron Block as used in the original Magnetron

Electronic Components

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

K.L.1 ungettered valve, 1920-1927

Electronic Components

1920-1927

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

Electronic Components

1935-1972

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

Electronic Components

1920-1936

Mullard VP13C thermionic valve, 1934-1988

Electronic Components

1934-1988

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

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

Electronic Components

1916-1972

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

Electronic Components

1906-1972

Marconi Osram DE 5b radio valve, 1920-1937

Electronic Components

1920-1937

FE1 valve, 1920-1966

Electronic Components

1920-1966

CV525 pentode, 1924-1965

Electronic Components

1924-1965