Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Object Genres (hierarchy name)
4. object genres (object classifications)
5. [object genres by function]

Narrower term/s

• printing plates [NP][+]
  • key plates (printing plates)
  • electrotypes (printing plates/blocks)
  • stereotypes (printing plates/blocks)
  • embossing plates
  • lithographic plates [+]
    • offset plates
  • copper plates (printing plates)
  • photopolymer plates (printing plates)
• photographic plates [NP][+]
  • dry plates
  • ferrotype plates
  • wet plates
• wet collodion negatives [NP]
• niellos (engraved works) [NP]
• dry collodion negatives [NP]

Anotations

Scope note:

General concept for flat, relatively thin sheets or disks of a rigid material such as metal or glass that have a uniform surface and thickness, used to make a work in multiples. Examples are copper or steel plates that are etched or engraved and used in printmaking, and thin sheets of metal or glass used in photography to make positive or negative images.