""Elementary Treatise On Natural Philosophy, Part 1: Mechanics, Hydrostatics, And Pneumatics"" is a book written by Augustin Privat-Deschanel and first published in 1890. The book is a comprehensive guide to the fundamental principles of natural philosophy, covering the topics of mechanics, hydrostatics, and pneumatics. The book is divided into three parts, each of which focuses on a different area of study. Part 1, which is the subject of this description,...