With contributions by Dr., Francis Antony, George Starkey, Sir George Ripley and anonymous unknown. The Hermetic tracts comprised in this volume are printed from a quarto manuscript (itself a transcript from an older but now untraceable work) belonging tio the celebrated collection of the late Mr. Frederick Hockley. Tracts include: The Secret of the Immortal Liquor called Alkahest; Aurum Potable; The Admirable Efficiency of the True Oil of Sulphur Vive; The Stone of the Philosophers; The Bosom Book of Sir George Ripley; and The Preparation of the Sophic Mercury.