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 processes
8. additive color processes (photography)
9. screen processes

Anotations

Scope note:

A photographic process patented by Clare L. Finlay. An additive color process for producing transparencies on a panchromatic, black-and-white emulsion by using a color screen of red and green circles on a blue-violet background.