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
Copies of two pioneer cloud-track photographs, (from photos lend by Prof. C.T.R. Wilson) ( see Royal Society's Proceedings, "A", vol.85, plate 9, figs.1.2 1911) Copies of two pioneer cloud-track photographs
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