To the Experienced and Fortunate

PHYSICIAN,

J. ROMAN,

Doctor of Philosophy and Medicine in AMSTERDAM.

Sir,

WHAT service I have rendered to our Dutch Nation over the past several years, by presenting to them in their mother tongue THE BURNING SALAMANDER original: Brandende Salamander; likely referring to an alchemical work, possibly by Jan Isacksen Hollandus, the PHILOSOPHICAL LABORATORY original: Philosophise Laboratorium; a reference to Nicolas Lemery's Cours de Chymie, one of the most influential chemistry textbooks of the 17th century of MR. LEMERY, and several other small Treatises on Chemistry; has shown me enough the grea-