TO MARTIN FOLKES , Esq; PRESIDENT OF THE ROYAL SOCIETY. AN ESSAY To Shew From what CAUSES Electricity is Produced, and c. Its Influence in the Blasts on Human Bodies, in the Blights on Trees, in the Damps in Mines; and as it may affect the Sensitive Plant, &c. In a Letter To Mr. William Watson, F.R.S. By John Freke, Surgeon to St. Bartholomew’s Hospital, London, F.R.S. Naturam expellas furcÂ, tamen usque recurret. The Second Edition: With an APPENDIX. LONDON: Printed for W. Innys, in Pater-noster Row. MDCCXLVI. [Price One Shilling.] |