Two Medico-Philosophical Discourses: On Fermentation

A vertical photograph captures the fore-edge of a thick, closed antique book. The image highlights many layers of aged, thin paper. These pages have developed a dark, brownish-tan patina over time. The edges of the book binding are visible on either side. They show heavily worn and damaged dark brown leather with significant peeling and loss, especially at the top and bottom corners. The book rests against a plain, solid black background.

fore-edge: The edge of the book’s leaves opposite the spine, which is visible when the volume is closed.
leather binding: The outer protective covering of the book. In the seventeenth century, this was typically made from calfskin or sheepskin.
antique book: A volume that is valued for its age, historical significance, and traditional craftsmanship.
aged paper: Paper that has changed color due to environmental exposure and the natural breakdown of its fibers over centuries.