Dear Reader, we have launched our End-of-Year Fundraiser! We are a not-for-profit endeavour that relies on donations from our wonderful community of readers, so drives like this are essential to our survival. If you like the project, and would like to see it continue, then please do consider donating. We really do need your help. Click here to learn moreHide

Views of the Tesseract (1904)

A series of images from Charles Howard Hinton’s The Fourth Dimension (1904), a book all about the “tesseract” – a four-dimensional analog of the cube, the t…more

The Tibetan Book of Proportions

An eighteenth-century pattern book consisting of 36 ink drawings showing precise iconometric guidelines for depicting the Buddha and Bodhisattva figures. Written in…more

Illustrations of Snowflakes (1863)

The illustrative plates from Snowflakes: a Chapter from the Book of Nature (1863), a collection of poems, extracts, anecdotes and reflections on the theme of snow a…more

Hirschvogel’s Geometria (1543)

Selected pages from Geometria by Augustin Hirschvogel (1503–1553), a German artist, mathematician, and cartographer known primarily for his etchings. In this vers…more

Novum Instrumentum Geometricum (1607)

Illustrations from Leonhard Zubler’s Novum Instrumentum Geometricum (1607). Zubler was a Swiss goldsmith and instrument maker who is credited with introducing the…more

Fortification Theory (1600)

Images from Jean Errard’s Fortification Réduicte Art and Démonstrée (Paris, 1600), a seminal work in fortification theory. Errard (1554-1610) was a mathematici…more