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. image-making equipment
8. photographic equipment
9. flash equipment
10. flash devices

Anotations

Scope note:

Photographic electronic flash devices that have the facility to ignite repeatedly in sequence to make multiple exposures on while the shutter of a camera remains open, allowing the capture of motion in one frame.