The book ""Essays Of Jean Rey, Doctor Of Medicine: On An Enquiry Into The Cause Wherefore Tin And Lead Increase In Weight On Calcination, 1630 (1895)"" is a collection of essays written by Jean Rey, a doctor of medicine, in 1630. The essays focus on the phenomenon of tin and lead increasing in weight during calcination, and Rey's attempts to understand the cause of this. The book is a reproduction of the original essays, which were written in French,...