Axial Commons Image Treasury
Ink and wash design drawing of a knotwork doorknocker with a central sphere and scalloped plate, on blue-grey paper.

Project for a Doorknocker

A design drawing for a doorknocker on pale blue-grey paper, rendered in grey wash and pen lines. Interlaced knotwork forms a pear-shaped body around a central sphere, with a scalloped rosette plate and ring fixing it at the top.

Artist
Unknown
Date
18th century
Medium
Pen and ink, brush and wash on paper
Source
Smithsonian (Cooper Hewitt, Smithsonian Design Museum)
Size
1675 × 2588 px
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Public domain · Smithsonian (Cooper Hewitt, Smithsonian Design Museum) releases this image under CC0 (latest date 1800).
Rights checked 2026-11-05 · tier A · as stated by the source: CC0 (Smithsonian Open Access)

Credit (appreciated, not required for public-domain works): Smithsonian Institution, Cooper Hewitt, Smithsonian Design Museum