McVitie Weston valve collection, Siemens-Halske valve, type 110
circa 1926
McVitie Weston valve collection, Philips Miniwatt valve, type A241
circa 1930
McVitie Weston valve collection, Marconi valve, type F.E.1
1919
McVitie Weston valve collection, MOV-MSI Co. Ltd. valve, type F.E.1
1919
McVitie Weston valve collection, Ramsay C.R.T. (Experimental) valve
1923
McVitie Weston valve collection
1928
McVitie Weston valve collection
1931
McVitie Weston valve collection, Loewe valve, type 3NF
1927
McVitie Weston valve collection, Marconi valve, type D.E.R.
1924
McVitie Weston valve collection, Osram valve, type D.E.R.
circa 1924
McVitie Weston valve collection, Mazda valve, type PEN220A
1931
McVitie Weston valve collection, Mazda valve, type 425 PEN
1930
McVitie Weston valve collection, Marconi valve, type D.E.3
1923
McVitie Weston valve collection, Marconi valve, type D.E.3
1923
McVitie Weston valve collection
circa 1924
Thermopile
1930
No Popping Back!
1920-1929
Envelope "Many a true word is spoken in Jest!"
1920-1929
McVitie Weston valve collection, RCA Experimental valve, type F.E.12
1926
McVitie Weston valve collection, Mullard valve, type (PM)1HF
1931
McVitie Weston valve collection, Loewe valve, type 2HF
1927
McVitie Weston valve collection, Cossor valve, type 220.S.G.
1930
Sunray Tricity Electric Cooker
1920
McVitie Weston valve collection, Majestic Multi-mu valve, type G-51
circa 1930
McVitie Weston valve collection, STC valve, type 4102E
1926-
McVitie Weston valve collection, STC valve, type 4102D
1926
McVitie Weston valve collection, STC valve, type 4102D
1926
McVitie Weston valve collection, STC valve, type 4102E
1926-
McVitie Weston valve collection, STC valve, type 4102D
1926
McVitie Weston valve collection, Mazda valve, type P.D.220A
1931
McVitie Weston valve collection, Osram/GEC valve, type B2
1919
McVitie Weston valve collection, King valve
1924
McVitie Weston valve collection, Mazda valve, type AC/HL/DD
1931
Copy of photograph of Joseph Jackson Lister
1927
Smoke helmet for use in mines
1930
Time marker
1930
Flat bottomed round flasks with open cylindrical neck and conical side tube with bulb at end
1926
Tattooing set consisting of fibre brush and wooden blade-handle
1970-1910
McVitie Weston valve collection, Cosmos valve, type SP 18 R.R.
circa 1927
McVitie Weston valve collection, Cossor valve, type WR2
1924
McVitie Weston valve collection, Cossor valve, type W1
1924
McVitie Weston valve collection, BTH Mazda valve, type PX 650
circa 1929
Matthews' type oscillograph, 1928
1928
McVitie Weston valve collection, Cosmos valve, type SP55 RED
1926
McVitie Weston valve collection, Cosmos valve, type SP.610/RR
1928
McVitie Weston valve collection, Cosmos valve, type DE50
1927
McVitie Weston valve collection
1930
McVitie Weston valve collection
1929
McVitie Weston valve collection
1931
McVitie Weston valve collection, Cossor point one R.C. valve
1926