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. [equipment for drafting, drawing, and writing]
9. [drafting, drawing and writing equipment by specific type]
10. pens (drawing and writing implements)

Anotations

Scope note:

Pens such as fountain pens and others that hold a reservoir of ink in the handle, holder, or other receptacle, as distinguished from dip pens that require frequent dipping of the pen point in ink, such as lettering pens, quill pens, reed pens, and others.