B25 · Reference edition 2026.11

Loose-sheet supports — Review and interpretation

An enclosure for loose sheets should distinguish the stack, support and access margin. Handling needs differ from those of a bound volume.

Scope and purpose

Review the record before drawing a conclusion. Look for missing context, ambiguous labels and claims that exceed the evidence. The purpose is to identify what can be understood from the record and what still requires a separate assessment.

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.

Loose-sheet supports — Illustrative reference; not a tested product or a certification.
Loose-sheet supports. Illustrative reference; not a tested product or a certification.

Practical example

Show the support edge and the preferred lifting region outside the image area.

Reference recordInterpretation
B25Loose-sheet supports
Scope and purposeAn enclosure for loose sheets should distinguish the stack, support and access margin. Handling needs differ from those of a bound volume.
Limits and interpretationDo not treat the sheet count as a reliable substitute for stack thickness.

Review checklist

Read the record without relying on memory; check every label; identify uncertainty; decide whether a specialist review is required; retain the original observation.

Limits and interpretation

Do not treat the sheet count as a reliable substitute for stack thickness. Measurements and examples are descriptive, not acceptance criteria.

Related reading

Loose-sheet supports →