McVitie Weston valve collection, Mullard valve, type LF
1924
McVitie Weston valve collection, Seddig triode valve
circa 1917
McVitie Weston valve collection, Siemens-Halske triode valve
circa 1917
McVitie Weston valve collection, Siemens-Halske triode valve
1918
McVitie Weston valve collection, Seddig triode valve
1922
McVitie Weston valve collection, Siemens-Halske triode valve
1917
McVitie Weston valve collection, Mullard ORA valve
1923
McVitie Weston valve collection, Telefunken valve, type EVE173
1918
McVitie Weston valve collection, Marconi Osram valve, type L.S.3
1924
McVitie Weston valve collection, MOV valve, type V.24
1919
McVitie Weston valve collection, Osram valve, type L.M.11
circa 1923
McVitie Weston valve collection, Marconi WT Co valve, type V24
circa 1919
McVitie Weston valve collection, Marconi WT Co Round valve, type V.24
1919
McVitie Weston valve collection, Mullard valve, type DFA4
1925
McVitie Weston valve collection, Myers valve
1924
McVitie Weston valve collection, Western Electric Wecovalve valve, type 4215A
circa 1923
McVitie Weston valve collection, Western Electric Wecovalve valve, type 4215A
1923
McVitie Weston valve collection
1921
McVitie Weston valve collection
1924
McVitie Weston valve collection
1919-1920
McVitie Weston valve collection, Ediswan valve, type E.H.T. 220kV
circa 1920
McVitie Weston valve collection, Royal Ediswan valve, type E.S.11
circa 1918
McVitie Weston valve collection, Royal Ediswan valve, type C
1918
McVitie Weston valve collection, Royal Ediswan valve, type C
1918
McVitie Weston valve collection, Cunningham valve, type C-299
1924
Wade Bequest collection of valves: four-electrode radio valve by Marconi-Osram
1920
Wade Bequest collection of valves: experimental radio valve, 1918
1918
McVitie Weston valve collection, Cleartron valve, type C.T.215 S.G.
circa 1925
McVitie Weston valve collection, Ramsay C.R.T. (Experimental) valve
1923
Wade Bequest collection of valves: R4 triode radio valve
1917
McVitie Weston valve collection, Marconi Osram valve, type DE5
1924
McVitie Weston valve collection, Marconi valve, type DE5
1924
McVitie Weston valve collection, GEC/USA valve, type C.302
1923
McVitie Weston valve collection, BTH valve, type B
1925
McVitie Weston valve collection, GEC/USA valve, type C.G.1162/VT-16
1918
McVitie Weston valve collection, Schott valve, type M
circa 1918
McVitie Weston valve collection, Schott valve, type N
circa 1918
McVitie Weston valve collection, Kathodenroehren valve, type 0N7
1918
Osram "atmostype" tungsten filament lamp
1920
Transmitting valve type TT4A, 1919-1922
1919-1922
Sullivan heterodyne wavemeter model K5, No. 21 1922
1922
Hot water bottle made from Wickham's heavily smoked hard-cure Para rubber
1924
Mummified bird, Egypt, 2000-100 BCE
2000-100 BCE
Mummy of a crocodile, Egypt, 2000-1001 BCE
2000-1001 BCE
Glass ampoule of dysentery vaccine, Paris, France, 1917
1917
Post-nasal curette
1971-1900
Radio broadcast receiver, c.1925
circa 1925
McVitie Weston valve collection, Philips valve, type No.328
1925
McVitie Weston valve collection, Ramsay C.R.T. (Experimental) valve
1923
McVitie Weston valve collection, Ferranti Extraudion valve
1922