Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by composition]
6. inorganic material
7. glass (material)
8. [glass by technique]
9. art glass (material)

Anotations

Scope note:

In the glass trade, a type of art glass developed and produced by the Württembergische Metallwarenfabrik, Göppingen, ca. 1930, characterized by decorations created through inlaid patches or strips of color, often in combination with patterned air bubbles.