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Category
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Object type
Place
Material
Date
De Forest audion 1906-1915

De Forest audion 1906-1915

1906-1915

Audion (with spherical bulb), 1906

Audion (with spherical bulb), 1906

1906

Transistor, early British Experimental Device from Pye Radio Research Labs

Transistor, early British Experimental Device from Pye Radio Research Labs

First sealed-off travelling wave tube, 1945-1946

First sealed-off travelling wave tube, 1945-1946

1945-1946

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

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

1906-1972

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

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

1906-1972

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

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

1918

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

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

1916-1972

CV1092 diode, 1904-1965

CV1092 diode, 1904-1965

1904-1965

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

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

1906-1972

Sylvania 1LA6 frequency changer valve, 1931-1966

Sylvania 1LA6 frequency changer valve, 1931-1966

1931-1966

CV525 pentode, 1924-1965

CV525 pentode, 1924-1965

1924-1965

RCA 955 Acorn UHF triode thermionic valve (McVitie Weston valve collection), 1935

RCA 955 Acorn UHF triode thermionic valve (McVitie Weston valve collection), 1935

1935

Raytheon 6D6 VM RD pentode valve (McVitie Weston valve collection), 1934-1972

Raytheon 6D6 VM RD pentode valve (McVitie Weston valve collection), 1934-1972

1934-1972

RCA Radiotron 35 VM RF pentode valve (McVitie Weston valve collection), 1931-1972

RCA Radiotron 35 VM RF pentode valve (McVitie Weston valve collection), 1931-1972

1931-1972

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

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

1906-1972

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

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

Magnetron block

Magnetron block

Submarine repeater valve, 1950-1960

Submarine repeater valve, 1950-1960

1950-1960

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

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

1920-1936

CV1025 triode, 1906-1965

CV1025 triode, 1906-1965

1906-1965

Mullard T.H.4 radio valve, 1936

Mullard T.H.4 radio valve, 1936

1936

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

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

195-1970

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

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

1925-1946

E.S.75 wireless valve, 1883-1930

E.S.75 wireless valve, 1883-1930

1883-1930

Mazda QP.240 battery double output pentode valve (McVitie Weston valve collection), 1935

Mazda QP.240 battery double output pentode valve (McVitie Weston valve collection), 1935

1935

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

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

1939

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

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

1923

Mullard EF50 Valve, 1939

Mullard EF50 Valve, 1939

1939

S.215 dummy valve, 1920-1929

S.215 dummy valve, 1920-1929

1920-1929

One of Fleming's first thermionic diode valves, 1889

One of Fleming's first thermionic diode valves, 1889

1889

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

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

1910-1960

Western Electric 717A pentode, 1926-1966

Western Electric 717A pentode, 1926-1966

1926-1966

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

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

1921-1934

Mazda 1R5 heptode valve, 1933-1966

Mazda 1R5 heptode valve, 1933-1966

1933-1966

One of Fleming's first thermionic diode valves, 1889

One of Fleming's first thermionic diode valves, 1889

1889

Emitron 6X4 rectifier, 1931-1966

Emitron 6X4 rectifier, 1931-1966

1931-1966

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

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

1950-1970

Submarine repeater pentode, 1950-1970

Submarine repeater pentode, 1950-1970

1950-1970

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

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

1932-1933

FE1 valve, 1920-1966

FE1 valve, 1920-1966

1920-1966

Marconi Osram DE 5b radio valve, 1920-1937

Marconi Osram DE 5b radio valve, 1920-1937

1920-1937

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

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

1950-1970

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

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

1906-1972

McVitie Weston valve collection, Hivac XL HF triode valve, 1935

McVitie Weston valve collection, Hivac XL HF triode valve, 1935

1935

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

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

1923

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

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

1929-1972

L.S.2 radio valve, 1920-1938

L.S.2 radio valve, 1920-1938

1920-1938

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

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

1920-1930

Radio valve, 1936-1939

Radio valve, 1936-1939

1936-1939