Ioannis de Rupescissa de consideratione quintae essentiae rerum omnium, opus sane egregium
A 1597 alchemical treatise on the quintessence, printed in Basel by Conrad Waldkirch and attributed to Jean de Roquetaillade (Johannes de Rupescissa), a medieval Latin text for scholars and physicians. The pictures are plain letterpress pages: a set index with a central printer's ornament and oval library stamp, and a chapter opening with a large decorated initial and small-caps running text, offering a designer dense black type blocks, ornamental headpieces and aged paper texture.
