Theatrum Chemicum Brittannicum is a book written by Elias Ashmole, a 17th-century English antiquarian, politician, and alchemist. The book is a collection of alchemical writings and treatises from various authors, including Ashmole himself. It was first published in 1652 and later expanded in 1689. The book includes 16 alchemical works, each with its own title page and introduction, and covers a range of topics such as the philosopher's stone, the...