Brand new automobiles are demolished in spectacular head-on collisions as part of the proving process of modern motor car manufacture. A motor car is rolled sideways down a 45 degree hill, righted and then driven off. A camera man records the stunt with a film camera. A motor car driven at high speed during the test. Tires are blown at 70 miles an hour. All kinds of skidding is indulged in from 30 miles an hour up. Two motor cars are driven at full speed, drivers jump out, resulting in a head on collision.