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)

Anotations

Scope note:

An additive color process using a color screen with an irregular pattern formed from dyed starch grains. The screen was coated on a glass plate and a panchromatic black-and-white emulsion coated on top of the screen. The image is exposed through the glass and viewed from the emulsion side.