Norman Robert Campbell (1880 1949) was an English physicist and philosopher who made a significant contribution to the philosophy of science. In this book, which was first published in 1920, Campbell presents a detailed critical analysis of various areas of physics. Aimed at the advanced reader, with a 'familiarity with all the facts and theories of physics, ancient and modern', the text is divided into two main parts: the first part deals with 'The Propositions of Science' and the second discusses aspects of 'Measurement'. An appendix and detailed index are also included. This book will be...