Model, of a cycloid form paddle wheel, based on Joshua Field's initial ideas and Elijah Galloway's later patent 1897-1898
Stereoscopic pair of cloud-track photographs showing the passage of an X-ray beam through a copper target 1937-1948
Black and white cloud track photographic print, showing the artificial disintegration of lithium by high-speed protons 1933-1937
Diagram of Joseph John Thomson's method of measuring electromagnet for thermo-electrons (1899) 1945-1948
Black and white photographic print, showing the production of a pair of electrons, positive and negative 1934-1937
Cockcroft and Walton's apparatus for the artificial disintegration of the elements by swift protons 1928-1932
Working model of the double trunk steam engines, as used on HMS 'Minotaur (1867) and HMS 'Northumberland' (1868) 1845
Robot art: Portrait by a 'Portrait Drawing Robot' created by Matsushita Electric Industrial Company, Ltd (Panasonic), 1991 1991
Robot art: Portrait by a 'Portrait Drawing Robot' created by Matsushita Electric Industrial Company, Ltd (Panasonic), 1991 1991
Black and white photographic print, 4th of 8, showing the July 1945 New Mexico atomic bomb explosion test 1945-1947