Source Metadata

Name

medium

Group Label

Medium

Label

Medium

Schema

rulib

Definition

The physical medium of which the object is composed. For photographic materials, Medium is the photographic process used to create the image. For text, graphic, and three-dimensional objects, Medium indicates the material of which the object is composed.

Controlled Vocabulary

Three-dimensional object. Stone; Wood; Clay; Cloth; Leather; Glass; Bone; Paper: Metal; Fur; Plastic; Mixed media; Other
Photographic (NOTE: in Release 1.0. all terms have been consolidated into a single list, regardless of the value in the 'format' field.).

• If format = Photoprint (direct positive): Daguerrotype (copper/silver-plated); Ambrotype (glass); Tintype/Ferrotype/Melainotype (iron, japanned back); Unknown [source: rulib]
• If format = Photoprint from negative: Salted paper print (Uncoated paper); Platinotype (Uncoated paper); Cyanotype (Uncoated paper); Unknown (Uncoated paper); Albumen print (Coated paper); Carbon print (Coated paper); Woodburytype (Photoglypty) (Coated paper); Collodion print (Coated paper); Gelatin POP print (Coated paper); Gelatin DOP print (Coated paper); Unknown (Coated paper) [source: rulib]
• If format = Photographic negative: Acetate; Glass plate; Nitrate; Gelatin; Plastic; Unknown [source: rulib]
• If format = Slide/transparency: Slide, transparency [source: rulib]

Text or graphic (paper). Coated; Leather; Linen; Newsprint; Onionskin; Pulp; Other; Leather; Cloth; Cardboard; Paper [source: rulib]

Repeatable

N