Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by function]
6. photographic materials
7. photographic media
8. photographic film (photographic materials)

Anotations

Scope note:

Film that can be developed in chemistry that is integral to the media itself. There are various means to achieve this, but generally, after exposure, chemicals are released across the surface of light-sensitized film where development and fixing takes place. See also 'diffusion transfer prints.'