Glass valve on bayonet cap base
Computer Storage Switch
1948
McVitie Weston valve collection, frame yoke and tube holder from Baird Televisor 15in tube valve
1937
Sewer Stop Valve
Marconiphone pentode valve
1933
Osram valve
1940
Edison Swan thermionic pentode valve
1930
valve
Valve with Guage by Williams & James Ltd
"D" Valve Mechanism, formerly Keadby Canal Signalbox
"D" Valve Mechanism, formerly Keadby Canal Signalbox
Valve, Mullard RA
Holt's patent cylinder drain and relief valve
1878
Two examples of Thompson's airpump valves
Example, compound motion variable expansion slide valve
c.1882
Light Valve
Boxwood valve, with leather and lead stopper
1700-1800
McVitie Weston valve collection, BTH Mazda valve, type R.C.607
McVitie Weston valve collection, Mazda valve, type H.L.607
McVitie Weston valve collection, Marconi valve, type D.E.5.B
1924
McVitie Weston valve collection, Marconi valve, type D.E.8.H.F.
1925
McVitie Weston valve collection, Marconi valve, type D.E.8.H.F.
1925
McVitie Weston valve collection, Ediswan valve, type P.V.8DE
1925
McVitie Weston valve collection, Osram valve, type P610
1933
McVitie Weston valve collection, Osram valve, type D.E.L.410
1927
McVitie Weston valve collection, Osram valve, type LS5A
McVitie Weston valve collection, Osram valve, type LS5A
1930
McVitie Weston valve collection, Osram valve, type LS5A
1930
McVitie Weston valve collection, Marconi valve, type L.S.6.A.
1929
McVitie Weston valve collection, BTH valve, type B.4
1923
McVitie Weston valve collection, BTH valve, type B.4H
1926
McVitie Weston valve collection, Marconi valve, type LS5A
1923
McVitie Weston valve collection, Osram valve, type L.S.5.B
McVitie Weston valve collection, BTH valve, type B215P
1927
McVitie Weston valve collection, Ediswan valve, type AR.06
McVitie Weston valve collection, BTH valve, type B210H
Marconi KT81, boxed
Valve Electronic CV 511, boxed
Mullard EL34, boxed
McVitie Weston valve collection, Triotron valve, type TS
McVitie Weston valve collection, Triotron valve, type X04
McVitie Weston valve collection, Philips Miniwatt valve, type A109
McVitie Weston valve collection, Triotron valve, type RD4
McVitie Weston valve collection, Triotron valve
McVitie Weston valve collection, Mazda valve, type P.P.5/400
1931
McVitie Weston valve collection, Mazda valve, type P.P.5/400
1931
McVitie Weston valve collection, Nelson Multi valve, type D.E.2.
1924
McVitie Weston valve collection, Nelson Multi valve, type D.E.3 to 4
1924
