Idaho. Argon National Laboratory 1951. Ext. of laboratory, WS platform in lab, MS employee at control station monitoring gages, various shots int. lab: man at pressure valve, turbine, man operating gauges, EWS evening horizon, businessman meeting with employees, two business types looking at plans, laborers installing equipment, WS technicians/ employees handling and installing, reactor plates of uranium alloy, machinery that raises and lowers control rods, ext.