Model of a cobalt-60 source
1985
Chadwick's Cigarette Box containing Metal Foils and Paraffin Wax, 1932.
1932
Bowl from Hiroshima, Japan
1935-1945
Eight photographs showing the July 1945 New Mexico atomic bomb explosion test
1945-1947
Three specimens
Specimen of pitchblende. Also
Photograph, showing 63 million volt positron passing through a 6 mm lead plate
CERN Bicycle
Tube used in the discovery of the electron, about 1896
1896
Model Particle Accelerator and Key
1938-1951
Aston's first mass spectrograph, c. 1919.
1918-1925
Model of hydrogen atom, c 1911
1911-1926
Specimen of sand melted by the explosion of the first test atomic bomb, New Mexico, July 1945
1945
Collection of metal foils and archives to do with work on gaseous diffusion of uranium isotopes
1941-1947
Diagram of Robert Andrews Millikan's method of measuring the charge on the electron
1945-1948
Black and white stereoscopic pair of photographic prints, giving evidence for the detailed conservation of energy in the emission and absorption of X-rays
1930-1937
Photograph of the first two models of cyclotron bu
1930
Black and white photographic print showing model of cyclotron built by Ernest Orlando Lawrence and C.J. Cooksey
1936
Black and white photographic print showing model of cyclotron vacuum chamber almost in place between the poles of the electro-magnet
1936
Photographic print showing Cockcroft and Walton's apparatus at Cambridge in 1932
1932
Production of a positive electron by absorption of the radiations from berylium bombarded by alpha-rays from polonium
1927-1937
Stereoscopic pair of cloud-track photographs showing the passage of an X-ray beam through a copper target
1937-1948
Black and white photographic print, stereoscopic pair of cloud-track photographs showing tracks of electrons
1937-1948
Black and white photographic print showing original cyclotron built by Ernest Orlando Lawrence and Milton Stanley Livingston
1931
Black and white photographic print, showing record of individual alpha-rays
1937-1947
Photographic print, showing Dr. J.D. Cockcroft with his apparatus at Cambridge
1932
Black and white photographic print showing a disintegration produced in a lead plate by cosmic rays
1935-1937
Black and white photographic print mounted on card
1930-1937
Two photographs (pair) showing the emission of slo
1930-1937
Print mounted on card, showing the emission of beta-rays from radio silicon, together with a few positrons from radio-nitrogen, present as an impurity
1930-1937
Black and white photographic print mounted on card
1930-1937
Black and white photographic print
1933-1937
Black and white photographic print
1933-1937
Black and white photographic print mounted on card
1930-1937
Print, showing the showing the collision of a fast electron with a nitrogen nucleus, the electron being deflected through 67 degrees
1930-1937
Black and white photographic print
1931-1937
Black and white photographic print showing a cosmic ray negative electron of 1300 million volts energy
1935-1937
Seven guide needles for iridium - 192 pins
1981
Black and white photographic print
1930-1937
Early stereoscopic pair of cloud-track photographs, (1913-1914), illustrating electrons ejected by a narrow beam of X-rays
1913-1937
Black and white stereoscopic photographic prints mounted on card
1930-1937
Pair of photographic stereoscopic photographic prints, showing passage of an X-ray beam through a copper target
1930-1937
Part of Compact Disc player
1997
Single-electron detecting chip, 1997
1992-1997
Diagram showing the variation of frequency and wavelength of characteristic X-rays from various elements
1950
Photograph showing the disintegration of lithium by bombardment with protons
1937
Photograph showing disintegration of boron into 3
1937
Photographic print, showing the formation of a new isotope of helium by bombarding heavy hydrogen with deuterons
1937
Collision of an alpha-ray with a hydrogen atom
1937