This early works is a fascinating and informative look at the subject with much of the information still useful and practical today. Chapters include; Periodic Table of the Elements, Physical History, Matter: I. Atom & Molecules, Matter: II. The Elements, Heat and the Kinetic Theory of Matter, Potential & Chemical; Energy, Electrons & X-Rays, Inertia, Radiation, Radioactivity, Cosmical Energy......Many of the earliest books, particularly those dating back to the 1900's and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.