Best for
Learning the mechanism and vocabulary of handloom or power-loom weaving before choosing a loom or reading a construction diagram
What the source establishes
The National Park Service explains warp and weft, defines shedding, picking, and beating-in as the three primary motions, describes take-up and let-off as secondary motions, and notes the role of consistent tension. The page was last updated August 15, 2025.
The linked responsible-body page states the jurisdiction and requirements summarized in this record.
What this record does not prove
This is a mechanism explainer, not a loom schematic, construction plan, weaving draft, machine manual, safety assessment, or settings guide. It does not establish that a particular loom uses the same parts, sequence, controls, or tension system. Use the manufacturer or maker-specific documentation for construction, operation, guarding, maintenance, and troubleshooting.
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Review history
New checks are appended rather than replacing earlier entries. The next review is due by November 6, 2026. Automated HTTP warnings can reflect bot protection or a temporary timeout; they trigger manual review and do not silently retire this source.
- Baseline publishedInitial public evidence record established from the National Park Service's current weaving explainer, which separately describes primary and secondary loom motions.
Source at this check: inspect archived destination ↗
Search terms
- loom mechanism
- warp and weft
- shedding picking beating
- take up let off
- weaving motions
- loom parts vocabulary
- handloom basics