Miscellanea vere utilia [electronic resource] : or miscellaneous experiments and observations on various subjects. In three parts. Part I. Observations and Experiments upon Aliments, in order to Health and longer Life; wherein divers Kinds of Foods daily in use that are repugnant to Health are mentioned; and Teas and Wines particularly consider'd: Also other Eatables that are not work'd on by the Digestive Faculty, are pointed out. With the best Ways of regulating Diet laid down; deliver'd in Latin Lectures to Students by the Author, in a plain and easily intelligible Manner; now made English. Part II. Observations on some Parts of the Materia Medica, whence will appear the present Mistakes about the same. Also the Danger the Publick are under from Frauds in Medicines and Drugs. Likewise a Search into the Nature of Colours, whereby to know which are those that destroy the Workmen; with some Thoughts on the deplorable State of other Artificers. Part III. Divers useful Discoveries that occurr'd to the Author during many Years Researches in Chymistry. By Boyle Godfrey, Chymist, M. D.