CONTENTS. 



CHAPTER I. 



DIRECT CURRENT GENERATORS. 



PAGE. 

 EXPERIMENT i-A. Generator Study and Characteristics of a 



Series Generator I 



EXPERIMENT i-B. Characteristics of a Compound Generator. . 13 



CHAPTER II. 

 DIRECT CURRENT MOTORS. 

 EXPERIMENT 2-A. Operation and Speed Characteristics of a 



Direct Current Motor (Shunt, Compound and Differential). 27 

 EXPERIMENT 2-B. Efficiency of a Direct Current Motor (or 

 Generator) by the Measurement of Losses 41 



CHAPTER III. 

 SYNCHRONOUS ALTERNATORS. 



EXPERIMENT 3~A. Alternator Characteristics 62 



EXPERIMENT 3-B. Predetermination of Alternator Character- 

 istics 73 



CHAPTER IV. 

 SINGLE-PHASE CURRENTS. 



EXPERIMENT 4-A. Study of Series and Parallel Circuits Con- 

 taining Resistance and Reactance 102 



EXPERIMENT 4-B. Circle Diagram for a Circuit with Resistance 



and Reactance 123 



