The Sceptical Chymist / or Chymico-Physical Doubts & Paradoxes, Touching the Spagyrist's Principles Commonly call'd Hypostatical; As they are wont to be Propos'd and Defended by the Generality of Alchymists. Whereunto is præmis'd Part of another Discourse relating to the same Subject.
Robert Boyle
SCEPTICAL CHYMIST:
SPAGYRIST’S PRINCIPLES
Touching the