McVitie Weston valve collection
1940
McVitie Weston valve collection
1927
McVitie Weston valve collection, Osram valve, type U8
1928
McVitie Weston valve collection, Ediswan valve, type RC610
1927
McVitie Weston valve collection, Marconi valve, type U4
1926
McVitie Weston valve collection, Cosmos valve, type S.P.18 (Red)
circa 1926
McVitie Weston valve collection, Cosmos valve, type SP 16 Green
circa 1926
McVitie Weston valve collection, Ostar-Ganz valve, type W310
1932
McVitie Weston valve collection, Ostar-Ganz valve, type A.C. MS70 D.C.
1933
McVitie Weston valve collection, Osram valve, type NU20
1937
McVitie Weston valve collection, Osram valve, type NR16A
1933
McVitie Weston valve collection, Osram valve, type X41
1935
McVitie Weston valve collection, Osram valve, type X41
1935
McVitie Weston valve collection, Tungsram valve, type AR4101
1933
McVitie Weston valve collection, MOV valve, type NR76
1938
McVitie Weston valve collection, National Union valve, type 77
1934
McVitie Weston valve collection, Marconi/Genova valve, type 42B
circa 1931
McVitie Weston valve collection, STC Micromesh valve, type S.G.A.1.
circa 1930
McVitie Weston valve collection, MOV valve, type NR82
1937
McVitie Weston valve collection, MOV split anode magnetron valve, type E.396A
1934
McVitie Weston valve collection, STC Micromesh valve, type 5-B.1
circa 1930
McVitie Weston valve collection, Mazda valve, type PEN/DD/1360
circa 1935
McVitie Weston valve collection, RCA valve, type 872A
1934
McVitie Weston valve collection, STC valve, type CV25
1938
McVitie Weston valve collection, Osram valve, type V.T.46
1935
McVitie Weston valve collection, Osram valve, type V.T.46
1935
McVitie Weston valve collection, Sylvania valve, type 6E5
1940
McVitie Weston valve collection, Mazda valve, type PEN3520
circa 1935
McVitie Weston valve collection, Tungsram valve, type 78
1934
McVitie Weston valve collection, GEC/Osram valve, type GU50
circa 1940
McVitie Weston valve collection, MOV/GEC valve, type N.R.13
1927
McVitie Weston valve collection, Mullard valve, type 354V
1929
McVitie Weston valve collection, Cossor valve, type G.D.T.4.B
1940
McVitie Weston valve collection, Cossor valve, type 210 H.F.
circa 1930
McVitie Weston valve collection, Mullard valve, type PM22
1930
McVitie Weston valve collection, Cossor valve, type 41.M.H.F.
1929
McVitie Weston valve collection, Mazda valve, type AU8
1939
McVitie Weston valve collection, Cossor valve, type 41.M.P.
1930
McVitie Weston valve collection, Mazda valve, type PP3521
1935
McVitie Weston valve collection, RCA Radiotron valve, type 6F5
1935
McVitie Weston valve collection, Marconi valve, type MPT42
circa 1935
McVitie Weston valve collection, RCA Radiotron valve, type 6C5
1935
McVitie Weston valve collection, Osram valve, type ACT 19
circa 1940
McVitie Weston valve collection, Mullard Experimental valve
1931
McVitie Weston valve collection, Mullard, R.I. and Varley Interdyne valve
1927
McVitie Weston valve collection, Mazda valve, type AC/PEN
1930
McVitie Weston valve collection, Ediswan valve, type ES220 One-Der
1927
McVitie Weston valve collection, Cossor valve, type MVS-PEN-B
1939
McVitie Weston valve collection, Cossor valve, type MVS-PEN-B
1939
McVitie Weston valve collection, Mazda valve, type NR.94
1939