#PlasmaDisplay #touchscreen #PLATO #ProgrammedLogicforAutomaticTeachingOperations #ProjectPLATO #KálmánTihanyi #DonaldBitzer #RobertHWillson #HiramGeneSlottow #HGeneSlottow
#PlasmaDisplay #touchscreen #PLATO #ProgrammedLogicforAutomaticTeachingOperations #ProjectPLATO #KálmánTihanyi #DonaldBitzer #RobertHWillson #HiramGeneSlottow #HGeneSlottow