Molding on a Jolt Roll-Over Pattern Draw Machine
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Shows the principles of the jolt roll-over pattern draw machine, how to fill the drag and jolt it, how to draw the pattern, how to set the drag and cope pattern plates on master mold boards, and how to finish and close the mold.
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Related films
Sources
- 16mm Filmography (legacy record) — title, year, creator, length, format, color, sound, description, catalog record
- Index of Training Films 1946 — title, year, creator, length, format, sound, catalog record
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