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.

by Robert Boyle

EXPERIMENTS

WHEREBY

VULGAR SPAGYRISTS

Are wont to Endeavour to Evince their

SALT, SULPHUR

AND

MERCURY,

TO BE

The True Principles of Things.

Utinam jam tenerentur omnia, & inoperta ac confessa
Veritas esset! Nihil ex Decretis mutaremus. Nunc
Veritatem cum eis qui docent, quærimus. Sen.