USOE-Castle

Format: 16mm

Description: Theory and operation of the manually operated thermal overload switch; theory and operation of the magnetically operated across-the-line starter; theory and operation of the drum reversing switch for a three phase motor; theory and operation of the magnetic reversing switch.

Complete Record: Category: Electronics Subcategory: Wiring Type: Motion Picture Catalog number: OE389

Metadata Source:Index of Training Films 1946