Two diagrams of Cockcroft and Walton's apparatus for the artificial disintegration of the elements by swift protons Diagrams of Cockcroft and Walton's apparatus
Photograph showing the collision of an alpha-ray with an oxygen atom in a hydrogen-filled expansion chamber Collision of an alpha-ray with an oxygen atom
A cylindrical plastic scintillator with its photo multiplier tube and a graphite shield. (The scintillator is 16" long and 5" diameter). A cylindrical plastic scintillator with its photo multiplier tube and a graphite shield