Part With Deep Green Sand Core

Explains why to use a follow board with a thin, box-like pattern; shows how to reinforce a green sand core with nails; how to locate sprue and watch-up pins; how to use gaggers; how to ram and vent a green sand core which must permit the escape of a considerable volume of gases.
Complete catalog record
Category: Foundry & Forging
Subcategory: Forging
Type: Motion Picture
Source: USOE Castle
Catalog number: OE429
Price: $32.73.
Format code: 16sd

Sources

  1. Index of Training Films 1946 — title, year, creator, length, format, sound, description, catalog record