First published in 1940, as the second edition of a 1917 original, this book forms the first of two volumes on the subject of experimental building science. The text presents an introduction to scientific methods as applied in building science. This is developed in the second volume, which focuses on mechanics and its application in the design and erection of buildings. Numerous illustrative figures and appendices are also included. This book will be of value to anyone with an interest in the process of building and architecture.