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)
10. [negatives by process]

Anotations

Scope note:

Type of glass negative where the glass plate is first coated with a mixture of albumin and potassium iodide. This is then dipped in a silver nitrate solution. Albumen glass negatives were not widely used and are difficult to visually distinguish from wet collodion glass negatives.