Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication (hierarchy name)
4. Visual Works (hierarchy name)
5. visual works (works)
6. [visual works by material or technique]
7. photographs
8. [photographs by form]
9. negatives (photographs)

Narrower term/s

• wet collodion negatives [NP]
• gelatin dry plate negatives [NP]
• dry collodion negatives [NP]
• clichés-verre (negatives) [NP]

Anotations

Scope note:

Sheets of glass coated with light-sensitive emulsion that have been exposed and developed, and that are intended as matrices for the creation of positive photographic prints on another support.