Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Tools and Equipment (hierarchy name)
5. equipment
6. [equipment by process]
7. audiovisual equipment
8. projectors (image projectors)

Anotations

Scope note:

Optical instruments for projecting kromograms, which are prepared sets of photographic images; the instrument accurately combined and projected three-separation color images. Invented by Fred. E. Ives and first demonstrated in 1896.