The marrow of chymical physick; or, The practice of making chymical medicines. Divided in three books: viz. Shewing the true and perfect order to distil, or draw forth from vegetables, minerals, and metals, their spirits, oyls, vinegars, salts, extracts, or tinctures, essences and magisteries, flowers, and salts, &c. Whereunto is added at the end of every such preparation, its vertue and medicinal use, for the preservation of health, and restoring the diseased to sanity. A rare way of making metaline glass of any colour whatsoever. Very useful for the making artificial rubies, saphirs, jacinths, &c. Likewise for the enameling of rings, or for jewels; being very excellent and easie. By Will. Thraster philo-astro-medicus, and student in chymistry.