Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Processes and Techniques (hierarchy name)
4. [processes and techniques by specific type]
5. [image-making processes and techniques]
6. [printing and printing processes and techniques]
7. printing processes
8. intaglio printing processes
9. engraving (printing process)

Anotations

Scope note:

Process of engraving and printing from steel plates for the production of documents requiring long runs with precise replication, such as banknotes or postage stamps. It is mechanical a process developed by Jacob Perkins in the early 1800s, which enables the transfer of an impression from a steel plate to a steel cylinder in a rolling press. For the related printmaking process using steel or steel-faced copper plates, use "steel engraving."