Medicina instavrata, or; A brief account of the true grounds and principles of the art of physick. With the insufficiency of the vulgar way of preparing medicines, and the excellency of such as are made by chymical operation. Whereto is added, a short, but plain discourse, as a light to the true preparation of animal and vegetable arcana’s. Together with a discovery of the true subject of the philosophick mineral mercury, and that from the authorities of the most famous of philosophers. As also some small light to the preparation and use of the said mercury, in the dissolution of minerals and metals, for a physical use. By Edvvard Bolnest. Med. Lond. Also an epistolary discourse upon the whole, by the author of Medela medicinæ.