Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Processes and Techniques (hierarchy name)
4. [processes and techniques by specific type]
5. [image-making processes and techniques]
6. [photography and photographic processes and techniques]
7. photographic techniques
8. [photographic processing and presentation techniques]
9. photographic printing techniques

Anotations

Scope note:

Making photographic prints by placing a negative in contact with sensitized paper and exposing the sandwich to strong light, giving a print the same size as the negative. Many 19th-century printing processes employed contact printing because they required exposure to intense light.