""First Lines of the Theory and Practice of Philosophical Chemistry"" is a book written by John Berkenhout in 1788. The book is an introduction to the principles and practices of philosophical chemistry, which was a branch of chemistry that combined the study of natural phenomena with philosophical inquiry. Berkenhout's book covers a wide range of topics, including the nature of matter, the properties of gases, the principles of combustion, and the chemical composition of various substances. The book also includes practical experiments that readers can perform to better understand the concepts discussed. Overall, ""First Lines of the Theory and Practice of Philosophical Chemistry"" is a comprehensive and accessible introduction to the fascinating world of philosophical chemistry, written by one of the leading experts of his time.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.