Allies flag puzzle in box
1939
Receiver adapter
circa 1927
Crompton portable test set
1925
One 10 megohms selenium cell (c.1930)
1930
Cosmos SP 18 Blue Spot short-path triode
1926
D'Arsonval Galvanometer no. 151668
1947
Chainomatic balance by Griffin and Tatlock
circa 1935
Olivetti standard manual typewriter
1947
Photograph of Sir H.G. Harold Carpenter
1925-1929
Bust on wooden base of Andrew Ross
1859; 1986
Etching by K. Howard. [Industrial landscape with p
1930-1935
The first air voyage in America
1931
William Heath Robinson's Paint box
before 1944
Commemorative plate featuring Josiah Wedgewood
1930
Commemorative plate issued by Delft Holland
1932
Original master disc used by E.J. Wender in the design of the 'Tim' automatic telephone clock
1936
Drawing, Miner with his Lamp
circa 1930
World War II light pink mottle bakelite electric hand torch for use during the 'black-out'
1939-1945
World War II dark pink mottle bakelite electric hand torch for use during the 'black-out'
1939-1945
World War II grey mottle bakelite electric hand torch for use during the 'black-out'
1939-1945
NEMA cryptography machine type T-D
1945-50
Commemorative plaque, Spoorwegstaking (rail strike)
1945
Etching by Uno Stallarholm (b.1894) Smeder, 1930
1930
Photograph: Hargrave Model
1925
Photograph: Hargrave First Box Kites
1925
The Spirit of St Louis
1927
Photograph: Hargrave Flying Model Wing Action
1925
Photograph, board machine stock dryers
1936-1942
photograph, MG cylinder
1938
photograph, off machine brush coater
1936
photograph, board machine
1936-1942
Inductometer, type 14 B
1934
American airborne radar detector, type RT34/APS-13
1939-1945
McVitie Weston valve collection, MOV/GEC valve, type V.R.22
circa 1930
McVitie Weston valve collection, MOV/GEC valve, type V.R.22
circa 1930
McVitie Weston valve collection, Cossor valve, type V.R.18
circa 1930
John Player and Sons' Album of Motor Cars
1930s
John Player and Sons' Album of Motor Cars: Second Series
1930s
McVitie Weston valve collection, Osram valve, type PX25
1933
McVitie Weston valve collection, Osram valve, type PX4
circa 1932
Three metal discs for reel unit, for Magnetophon type HTS, 1942
1942
Box of tape reels, for Magnetophon type HTS, 1942
1942
McVitie Weston valve collection, Von Ardenne valve
circa 1931
Acoustics equipment
1945
Wireless valve
1937-1947
Wireless valve, 7405A
1940
Wooden box with spare matrices from the Linecaster C3 model
1925
Apparatus for demonstrating electromagnetic induction
1937
Black and white photographic print, diagram and display label, showing the production of electron pairs in krypton gas
1936-1937
Black and white photographic print, showing a long range alpha-particle of range 9.5 cm from thorium C and C1
1933-1937