The Golden Calf, Which the World Adores, and Desires&#13;In Which Is Handled the Most Rare and Incomparable Wonder of Nature, in Transmuting Metals; viz. How the Intire Substance of Lead, Was in One Moment Transmuted in Gold-Obrizon, with an Exceeding Small Particle of the True Philosophick Stone by Helvetius, Johann Friedrich
 is a Project Gutenberg book, now on Github.