- Creator:
- Sir Robert Smirke the younger, 1781–1867, British
- Title:
- Sketch of the Line of the Shaft and Inner Angle of the Abacus
- Date:
- 1802-1804
- Materials & Techniques:
- Pen and brown ink, and graphite on thin, moderately textured, beige laid paper
- Dimensions:
- Sheet: 11 1/2 × 15 7/16 inches (29.2 × 39.2 cm)
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Copyright Status:
- Public Domain
- Accession Number:
- B1977.14.552