This item looks at vibrations in various forms and the way they are generated.
A look at vibrations and how they are generated. Probably filmed at Pathe studios, London.
M/S of a drill, people cover their ears. A woman shakes in fright after seeing a mouse, others shake with cold or when they are dancing. Various shots showing how the vibrations from music reaches our ears. M/S showing how vibrations affect a gas flame. M/S of a seismograph, diagram shows how it works. M/S map of earthquake zones in the world. Cartoon shows Adolf Hitler is cracked like the earthquake zone. An experiment shows how vibrations from a violin bow make various patterns in salt. It changes a swastika to the Union Jack flag.