Part 1 General Tables 1 The Fundamental Constants Werner Martienssen 1.1 What are the Fundamental Constants and Who Takes Care of Them? 1.2 The CODATA Recommended Values of the Fundamental Constants References 2 The International System of Units (SI), Physical Quantities,and Their Dimensions Werner Martienssen 2.1 The International System of Units (SI) 2.2 Physical Quantities 2.3 The SI Base Units 2.4 The SI Derived Units 2.5 Decimal Multiples and Submultiples of SI Units 2.6 Units Outside the SI 2.7 Some Energy Equivalents References 3 Rudiments of Crystallography Wolf Assmus, Stefon Brvhne 3.1 Crystalline Materials 3.2 Disorder 3.3 Amorphous Materials 3.4 Methods for investigating Crystallographic Structure References Part 2 The Elements 1 The Elements Werner Martienssen 1.1 Introduction 1.2 Description of Properties Tabulated 1.3 Sources 1.4 Tables of the Elements in Different Orders 1.5 Data References