Johannes Heurnius, *Praxis medicinae nova ratio*:

A New Approach to Medical Practice:

Through these three books on the method of medical practice, the easiest path to curing all diseases is opened to all. From a careful review by Zacharias Sylvius. Rotterdam 1650. Published by Arnold Leers. (18.5 x 11 cm), fol. [17], p. 721 [actually 719], fol. [10], several woodcuts in the text, contemporary parchment binding.
A well-known and highly regarded work on 17th-century practical medicine, authored by Johannes Heurnius (1543–1601), a physician and professor of medicine at the University of Leiden. The textbook presents a systematic method for diagnosing and treating diseases, combining the medical traditions of Hippocrates and Galen with the practical clinical teaching that was developing in Leiden. An edition edited by Zacharias Sylvius, illustrated with eight woodcuts in the text. A valuable example of seventeenth-century medical literature and an important document in the history of European medical education. Handwritten inscription; no frontispiece; traces of moisture and slight browning. Parchment binding with slight wear. Good condition.