ELECTRONICS AT WORK
Sign in to track this film in your collection or want list.
Explains the basic functions of electronic tubes and shows how each type of tube is used in some of the latest industrial and military applications. Animated drawings showing tube construction are used to explain the cathode, anode and grid elements to identify, amplify, generate, control, transform light into electric current and transform electric current into light. Precipitrons, radio and radio-telephony, high frequency induction heating, resistance welding control, television and industrial and medical X-ray are a few of the electronic devices which are illustrated and described to show how the tubes perform in the various applications.
Complete catalog record
Dewey number: 621.384
Audience level: sh-c-trade-adult
Format/cost: 16-sd-loan
Distributors / rental: D. T. Davis Company loan; Pennsylvania College for Women $1.50; University System of Georgia, Division of General Extension $1; Central Extension, State College, Pa. $1.50; Film Preview, Inc loan; Film Library, University of Idaho loan; Photoart House; Modern Talking Picture Service, Inc loan; Swank Motion Pictures loan; MoS loan; Visual Education, Inc (Texas) loan
Audience level: sh-c-trade-adult
Format/cost: 16-sd-loan
Distributors / rental: D. T. Davis Company loan; Pennsylvania College for Women $1.50; University System of Georgia, Division of General Extension $1; Central Extension, State College, Pa. $1.50; Film Preview, Inc loan; Film Library, University of Idaho loan; Photoart House; Modern Talking Picture Service, Inc loan; Swank Motion Pictures loan; MoS loan; Visual Education, Inc (Texas) loan
Source: Educational Film Guide 1946 · Record added 2026-07-02 14:42:45