Demonstration triode valve, hand-blown
1950-1974
McVitie Weston valve collection, Mazda valve, type VR130
1939
McVitie Weston valve collection, Mazda valve, type PEN383
1939
McVitie Weston valve collection, valve, type VU33
McVitie Weston valve collection, valve, type VU33
McVitie Weston valve collection, valve, type NR65
McVitie Weston valve collection, valve, type V.R.109
McVitie Weston valve collection, Cossor valve, type 41 MPT
McVitie Weston valve collection, valve, type NV12
1943
McVitie Weston valve collection, MOV valve, type KT66
1937
McVitie Weston valve collection, MOV valve, type KT66
1937
Wade Bequest collection of valves: Mazda radio valve type ARP12
McVitie Weston valve collection, BTH valve, type A.T.40
McVitie Weston valve collection, valve, type NR65
Wade Bequest collection of valves: EIMAC type 15E radio valve
Silica, hard vacuum
Silica wireless valve
McVitie Weston valve collection, MOV/GEC valve, type A.T.25
McVitie Weston valve collection, Mazda valve, type VR130
1939
McVitie Weston valve collection, valve, type VT61/15
1943
McVitie Weston valve collection, MOV/GEC valve, type T30
McVitie Weston valve collection, Mazda valve, type PEN383
1939
McVitie Weston valve collection, Osram/GEC Catkin valve
circa 1933
McVitie Weston valve collection, Cossor valve, type A.T.40
McVitie Weston valve collection, valve, type VU120A
McVitie Weston valve collection, Tungsram valve, type 015/400
1946
Wade Bequest collection of valves: radio valve U329
Wade Bequest collection of valves: RCA radio valve type 12SA7
Wade Bequest collection of valves: RCA radio valve type 12SQ7
Wade Bequest collection of valves: type LZ319 / PCF80 radio valve
Wade Bequest collection of valves: Edison model 501 type IJB-1861 delay relay radio valve
Wade Bequest collection of valves: RCA type 12SK7 radio valve
Monel metal thimble valve
Wade Bequest collection of valves: Marconi-Osram Valve radio valve type Z63
Wade Bequest collection of valves: type W729 radio valve
Wade Bequest collection of valves: Marconi Osram type D77 radio valve
Wade Bequest collection of valves: PCF80 type radio valve, probably by Marconi-Osram
Wade Bequest collection of valves: Marconi Osram type B319 / PCC84 radio valve
Avo valve characteristic meter Mk. IV
Belmont valve (water tap), brass, sectioned
"Gutermuth" Spring Pump Valve, no. K1104M
Coupling unit
Annular disc valve for Ammonia Compressor
Air Compressor Valve, mounted on board
Valve from a model of Maudslay's 1807 table engine (scale 1:24)
1807
McVitie Weston valve collection, Brimar valve, type C12B
1961
Wade Bequest collection of valves: full-wave rectifier radio valve
Wade Bequest collection of valves: early triode radio valve
