Mullard T.H.4 radio valve, 1936
1936
Siemens & Halske AG radio valve, 1884-1936
1884-1936
Mullard video output pentode, T.S.P.4, 1920-1936
1920-1936
Mullard EF9 VM RF pentode valve (McVitie Weston valve collection), 1939
1939
Ostar-Ganz general-purpose triode valve (McVitie Weston valve collection) 1906-1972
1906-1972
Loud speaker valve type L.S.5. W/T, 1923
1923
RCA Radiotron 35 VM RF pentode valve (McVitie Weston valve collection), 1931-1972
1931-1972
Mazda QP.240 battery double output pentode valve (McVitie Weston valve collection), 1935
1935
Mazradia E4M triode valve (McVitie Weston valve collection), 1910-1960
1910-1960
RCA 955 Acorn UFH triode vale (McVitie Weston valve collection), 1935
1935
De Forest audion 1906-1915
1906-1915
CV1025 triode, 1906-1965
1906-1965
Submarine repeater pentode P.O. type 10P, 1950-1970
195-1970
Cossor OM6 pentode valve (McVitie Weston valve collection), 1925-1946
1925-1946
De Forest Audion soft detector triode (McVitie Weston valve collection), 1906-1972
1906-1972
Fotos triode valve with two top caps (McVitie Weston valve collection), 1916-1972
1916-1972
E.S.75 wireless valve, 1883-1930
1883-1930
Submarine repeater valve, 1950-1960
1950-1960
S.215 dummy valve, 1920-1929
1920-1929
One of Fleming's first thermionic diode valves, 1889
1889
Marconi Osram DE 5b radio valve, 1920-1937
1920-1937
Emitron 6X4 rectifier, 1931-1966
1931-1966
Sylvania 1LA6 frequency changer valve, 1931-1966
1931-1966
Mazda 1R5 heptode valve, 1933-1966
1933-1966
Raytheon 6D6 VM RD pentode valve (McVitie Weston valve collection), 1934-1972
1934-1972
Ora wireless receiving triode, 1921
1921
Thorpe 4-electrode valve (McVitie Weston valve collection) 1924
1924
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
1935
Cossor Wurncell W.1 output triode valve (McVitie Weston valve collection), 1923
1923
Mullard PM6D output triode valve (McVitie Weston valve collection), 1929-1972
1929-1972
AF triode valve (McVitie Weston valve collection), 1906-1972
1906-1972
Amplifying valve type V24, 1920-1922
1920-1922
CV1092 diode, 1904-1965
1904-1965
Radio valve, micromesh type 7A.2, 1932-1933
1932-1933
Western Electric 717A pentode, 1926-1966
1926-1966
One of Fleming's first thermionic diode valves, 1889
1889
FE1 valve, 1920-1966
1920-1966
First sealed-off travelling wave tube, 1945-1946
1945-1946
CV525 pentode, 1924-1965
1924-1965
Radio valve, 1936-1939
1936-1939
Submarine repeater pentode, 1950-1970
1950-1970
Submarine-repeater pentode, P.O. type 6P10, 1950-1970
1950-1970
Nelson multi A valve (McVitie Weston valve collection), 1920-1930
1920-1930
Submarine repeater pentode P.O. type 8P, 1950-1970
1950-1970
VT60A triode 807 valve (McVitie Weston valve collection), 1906-1972
1906-1972
L.S.2 radio valve, 1920-1938
1920-1938
General Electric CA101 Pilotron triode (McVitie Weston valve collection), 1918
1918
Cosmos DE.11 general-purpose triode valve (McVitie Weston valve collection), 1924
1924
Collection of early valves, 1915-1945
1915-1945