Rainbows

Duration: 36 min

Year Published: 1942

Creator: Modern Talking Picture Service, Inc.

Format: 16mm

Sound: Sound

Description: The aluminum industry traced from Napoleon III's time to present. Hall's experiments of a cheaper way to process aluminum that has opened new fields of use.

Complete Record: Category: Materials & Metals Subcategory: USBM Type: Motion Picture Source: Modern Format code: 16sd

Metadata Source:Index of Training Films 1946