Reproducers

Duration: 29 frames

Year Published: 1942

Creator: U.S. Navy (see Castle Films)

Format: Filmstrip

Description: Describes construction and the operation of headphones and loudspeakers. Sound Pictures. $2. SVE.

Complete Record: Category: Electronics Subcategory: Oils. Type: Slide Film Source: Navy Castle Catalog number: SN654

Metadata Source:Index of Training Films 1946