A foamboard mounted, 32 cm by 53 cm, artist’s cut-away view of the prototype Industrial Materials Pulsed Electron Accelerator (IMPELA) which was constructed in Bldg. 610 in CRNL in 1986. This electron-beam, linear accelerator was the forerunner of a number of 10 MeV, 50 kW accelerators sold for industrial applications by the Accelerator Business Unit.