A Pentagonal Pyramid by John Lodge Cowley (1765)

Engraved plate of a pentagonal pyramid shown as an unfolded net, with a hatched pentagon base and triangular faces.

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A Pentagonal Pyramid, John Lodge Cowley (1765). Via artnap.com

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Why is this public domain? John Lodge Cowley died in 1797; this work is in the public domain.

About this work

An engraved geometric plate titled A Pentagonal Pyramid, shown as an unfolded net with five triangular faces radiating from a single apex around a shaded pentagonal base. The base is rendered with dense concentric hatching, and the plate is labeled Plate 28 and Book 5. The work is attributed to John Lodge Cowley and dated 1765.

Date

1765

Medium

License

Public domain