This book is designed to present the subject of physics to the layman in a series of easily understood concepts and illustrations. Its watchword is simplicity - of words, ideas, applications and presentation throughout. Contents Include: Fundamentals of Physics; Forces; Fluids; The Motion of Bodies; Work and Machines; The Nature of Heat; Transformation of Heat Energy; Sound; Introduction to Electricity; Fundamentals of Current Electricity; Effects of Electricity; Fundamentals of Light; Refraction and Colour Phenomena; Safety. This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audience.