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Acorn (RISC OS) Sprite  |  1993-08-18  |  117.5 KB  |  412x292  |  8-bit (152 colors)
   ocr: Current Series: Actinium Series Leam Uranium: 235 Current Isotope: Actinium-227 Proton no. 89 Nucleon no. 227 Thorium 231 Investigate Protactinium 231 Emission Type u Actinium 227 a Alpha Francium 223 P Beta Radium 223 Y Gamma Radon 219 Backtrack