B27 · Reference edition 2026.11
Material descriptions — Layout and sequence
A material record separates supplier wording, observable structure and documented properties. Descriptive colour is not a conservation property.
Scope and purpose
Place the relevant elements in a visible order before completing the record. A diagram should distinguish position from sequence and should preserve the orientation used in the written notes. Review the example for a practical way to make the relationship explicit.
Working notes
This collection describes enclosure forms, access routes and documentation practices for paper-based material. It is intended for reading and planning, not for directing treatment of fragile objects. Fold diagrams and record examples are original illustrations with no associated collection or accession data. Material descriptions distinguish observed features from documented properties. Decisions about a real object, its condition and its environment require the relevant professional judgement.
Practical example
Record the source of a material statement and leave unsupported fields explicitly unconfirmed.
| Reference record | Interpretation |
|---|---|
| B27 | Material descriptions |
| Scope and purpose | A material record separates supplier wording, observable structure and documented properties. Descriptive colour is not a conservation property. |
| Limits and interpretation | Do not infer chemical suitability from a trade name or visual appearance. |
Review checklist
Identify the starting condition; mark the order or orientation; check that labels in the figure match the accompanying table.