The Steps of Life

Selection of images illustrating on the idea that one’s life can be thought of as divisible into distinct stages….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