Vacuum Tubes - Triode And Multi-Purpose Tubes (1942)

Describes the triode tube as evolved from the diode tube, its structure and capacities and the circuits in which the tube functions. Indicates the functions of the grid, the grid bias, the screen and suppression grids and the multi-purpose tubes. We digitized and uploaded this film from the A/V Geeks Archive. Email us at footage@avgeeks.com if you have questions about the footage and are interested in using it in your project.