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One of Fleming's first thermionic diode valves, 1889

Electronic Components

1889

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

Loewe 3NF radio valve, 1926-1966

Electronic Components

1926-1966

Submarine repeater pentode, 1950-1970

Electronic Components

1950-1970

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

Electronic Components

1918

CV1025 triode, 1906-1965

Electronic Components

1906-1965

DA 60 RF triode valve, 1929-1972

Electronic Components

1929-1972

CV1092 diode, 1904-1965

Electronic Components

1904-1965

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

Electronic Components

1950-1970

Point-contact transistor,type GET 2 c.1953

Electronic Components

c. 1953

One of Fleming's first thermionic diode valves, 1889

Electronic Components

1889

Submarine repeater valve, 1950-1960

Electronic Components

1950-1960

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

Electronic Components

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

Sargrove sprayed-circuit radio receiver experiment, 1936-1937

Electronic Components

1936-7

first sealed-off travelling wave tube, 1945-1946

Electronic Components

1945-1946

Transistor, early British Experimental Device from

Electronic Components

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

Electronic Components

1950-1970

De Forest Audion 1906-1915

Electronic Components

1906-1915

EF50 Valve, 1939

Electronic Components

1939

Post Office PO/VA No. 2 triode valve (McVitie Weston valve collection), 1906-1972

Electronic Components

1906-1972

Radio valve, 1936-1939

Electronic Components

1936-1939

Collection of early valves, 1915-1945

Electronic Components

1915-1945

Western Electric 717A pentode, 1926-1966

Electronic Components

1926-1966

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

Electronic Components

1906-1972

E.S.75 wireless valve, 1883-1930

Electronic Components

1883-1930

L.S.2 radio valve, 1920-1938

Electronic Components

1920-1938

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

Electronic Components

1932-1933

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

Electronic Components

1910-1960

Ora wireless receiving triode, 1921

Electronic Components

1921

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

Electronic Components

1920-1930

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

Electronic Components

1929-1972

Sylvania 1LA6 frequency changer valve, 1931-1966

Electronic Components

1931-1966

Mullard T.H.4 radio valve, 1936

Electronic Components

1936

Amplifying valve type V24, 1920-1922

Electronic Components

1920-1922

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

Electronic Components

1939

Emitron 6X4 rectifier, 1931-1966

Electronic Components

1931-1966

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

Electronic Components

1924

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

Electronic Components

1916-1972

Mazda 1R5 heptode valve, 1933-1966

Electronic Components

1933-1966

Magnetron Block as used in the original Magnetron

Electronic Components

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

Electronic Components

1935-1972

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

Electronic Components

1923

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

Electronic Components

1906-1972

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

Electronic Components

1906-1972

Siemens & Halske AG radio valve, 1884-1936

Electronic Components

1884-1936

K.L.1 ungettered valve, 1920-1927

Electronic Components

1920-1927

FE1 valve, 1920-1966

Electronic Components

1920-1966