The text of this book was set in Janson, a typeface designed about 1690 by Nicholas Kis (1650–1702), a Hungarian living in Amsterdam, and for many years mistakenly attributed to the Dutch printer Anton Janson. In 1919, the matrices became the property of the Stempel Foundry in Frankfurt. It is an old-style book face of excellent clarity and sharpness. Janson serifs are concave and splayed; the contrast between thick and thin strokes is marked