Moulding on a jolt roll-over pattern drawn machine
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Episode of Series “Foundry Practice”. Explains the principles of the jolt roll-over pattern draw machine; how to fill the drag and jolt it; how to draw the pattern; set the drag and cop pattern plates; fill the cope and jolt it; and finish and close the mould.
Sources
- 16mm Filmography (legacy record) — title, description, catalog record
Original permalink · Record added 2026-01-23 03:49:07