Castle

Format: 16mm

Description: Shows how a green sand core is molded; how a patternmaker determines when to allow for a green sand core; how a patternmaker designs a pattern allowing for a green sand core; and how a patternmaker visualizes and constructs this particular pattern.

Complete Record: Category: Wood & Lumber Subcategory: Patteriv Makixg Type: Motion Picture Catalog number: OE331

Metadata Source:Index of Training Films 1946