Ignition Engine

Duration: 9 min

Year Published: 1938

Creator: U.S. National Advisory Committee Aeronautics

Format: 16mm

Description: Technical film; self-explanatory. Planni earth-moving operations to create subgrade; mixing sand and clay; locating subgrade to prevent failure from water; and creating artificial subgrade on marshy ground

Complete Record: Series: 17 minutes, silent Subgrade Preparation U.S. Department of the Army, (Military Roads Series No. 5 Film number: TF 5-1197 Type: Motion Picture

Metadata Source:3434 U.S. Government Films