Excursions in Science #4

Duration: 10 min

Year Published: 1939

Creator: General Electric Co., Visual Instruction Section

Format: 16mm

Sound: Sound

Description: Demonstrates the "electric eye" or photo-tube. Shows how photo-tube makes sound movies possible.

Complete Record: Category: Electronics Subcategory: O.I.A.A. Type: Motion Picture Source: GE Format code: 16sd

Metadata Source:Index of Training Films 1946