radioactive

A male scientist weighs a small sample, then puts the sample in a small…

A man empties the contents of the mixed barrel into plant pots. In a…

The male scientist continues to experiment with different liquids. Text…

Medium shot of robotic view finder. Over the shoulder shot of a man at…

Testing radioactive substances. A row of men each welding. Men and…

Shots of a scientist using Geiger Counter. MS of man using grinding…

Ohio. Radioactive teeth studied to prevent tooth decay. Lab setting,…

Television host Bob Day interviews Dr. Paul C Tompkins, the Laboratory…

Scientist explains recording of thermal radiation on paper. Television…

Hand gestures at oscilloscope. More analog computing equipment with…

Television host Bob Day interviews Captain A. R. Bienke, the Medical…

Seated at desk, Bob Day interviews Director of Lab, Captain Robert A.…