Axial Commons Image Treasury
Engraved architectural plate with numbered diagrams of circular and curved roof frames, showing timber purlins and rafters on pale paper.

Purlins in Circular Roofs, engraved architectural plate

A black-and-white line engraving titled "Purlins in Circular Roofs &c.", plate XXVI, with numbered technical diagrams of roof frames: elevations, circular plans, and a curved timber truss showing rafters and purlins. Fine hatched lines are printed on pale, lightly toned paper.

Artist
Turrell, Edmund, active 1821-1848.
Date
2 January 1848
Medium
Engravings
Source
Wellcome Collection
Size
3011 × 4000 px
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Public domain · Wellcome Collection marks it Public Domain Mark; made by 1848.
Rights checked 2026-11-05 · tier A · as stated by the source: Public Domain Mark (Wellcome Collection)

Credit (appreciated, not required for public-domain works): Wellcome Collection