Electrons

Electrons Erpi Classroom Films Electricity conduction experiment thru silver nitrate in studio w/ clock, tank of water & ammeter. Animation of water flowing thru ammeter. Oxygen & hydrogen vials on weighing scales. Animation showing atoms of silver, hydrogen & zinc. 11:13:19 Title: Conduction In Gases. Electricity pylons or towers across fields. Electroscope in use flame put near wire to it; w/ x-ray tube; animation of same w/ leaves collapsing due to charging of air molecules. Animation. Atomiser & oil sprayed. Animation of current & charges carried thru & out of vacuum tube. 11:16:59 16mm film projector on revolving platform; CU projector w/ cover open to show vacuum tubes. Electrical charges deflected by magnet. Measurement of mass of electrons described w/ formula. Animation showing film soundtrack moving thru projector. The End. Science - Physics; Scientific Apparatus / Equipment; Laboratory; 1940s Instructional Films; Lecture Films; Animated Illustrations;