dangerous

Shot of tire chains on a car driving through snow. A chart animation…

Close up of a man with a cigar in his mouth, using his hand signal…

On metalworking in factories. Shot malleable iron castings. Visit to…

On metalworking in factories, Workers pour molten into the molds. Men…

5-year old trick shot expert doing target practice on various objects…

Associate Scientific Director Dr. Eugene Cooper explains scientific…

Scientist explains equipment used to study physical properties of…

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

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…