CONTENTS. 



PAGE. 



INTRODUCTORY ... ... ... ... ... ... 1 



CHAPTER I. THE MECHANICS OP BODIES UNDER TEST 



LOADS. 



Elasticity and Plasticity Stress and Strain 

 External and Internal Stresses Compound 

 Stresses Relation of Stress and Strain 

 Poisson's Eatio Cubic Elasticity Bending 

 Deflection of Beams Stresses and Strains in 

 the Plastic State Flow of Metals 9 



CHAPTER II. TESTING MACHINES. 



Simple Forms Tensile Testing Machines 

 Methods of Applying the Load Measurement 

 of the Load Werder Testing Machine 

 Buckton - Wicksteed Single Lever Machine 

 Adamson Compound Lever Machine Greenwood 

 Compound Lever Machine Buckton Compound 

 Lever Machine Bailey's Machines Continental 

 Machines American Machines ... ... ... 47 



CHAPTER III. AUXILIARY MEASURING APPLIANCES. 



Calipers Measuring Machines Extensometers 103 



CHAPTER IV. TESTING OPERATIONS TENSION TESTS. 

 Holding Devices Forms of Specimens Details 

 of a Tension Test Compression Tests 

 Appliances and Methods Employed ... ... 127 



CHAPTER V. TESTING OPERATIONS SHEARING AND 



BENDING TESTS. 



Shearing and Punching Tests, Appliances and 

 Methods Employed Cross-breaking Tests 

 Deflectometers ... ... ... ... ..." 163 



CHAPTER VI. TESTING OPERATIONS TORSION TESTS. 

 Torsional Testing Machines Measurement of 

 Torsional Strains Torsion Tests ... ... 197 



CHAPTER VII.* AUTOMATIC AND SEMI - AUTOMATIC 



RECORDING APPARATUS. 



Appliances used and Diagrams obtained Auto- 

 matically-Work done on Test liars ... ... 221 



