Note 27 — HISTORICAL INTRODUCTION.
Reading edition
See “Sir Kenelm Digby’s Discourse upon the Cure by Sympathy, pronounced at Montpellier, before an assembly of Nobles and learned men. Translated into English, by R. White, Gentleman, and published in 1658.” King James the First obtained from Sir Kenelm the discovery of his secret, which he pretended had been taught him by a Carmelite Friar, who had learned it in America or Persia.
The Sympathetic Powder was, as we learn from cotemporary physicians, ‘calcined green vitriol.’