NEW AND INVALUABLE HANDBOOKS FOR 

 ELECTRICIANS AND STUDENTS 



ELECTRICAL ENGINEERING. 



By E. ROSENBERG. 



TRANSLATED BY 



W. W. HALDANE GEE, A.M.I.E.E., of the Manchester School of Technology, 

 AND GAEL KINZBRUNNER, A.M.I.E.E. 



Demy 8vo. Profusely* Illustrated. Price 6s. 



A Comprehensive Text-book for all who desire a knowledge of the chief 

 principles of the subject. It comprises, besides the fundamental phenomena 

 of the electric current, dynamos and motors for continuous, alternating, and 

 three-phase current, their accumulators and their apparatus, measuring instru- 

 ments, electric lighting, alternating-current engineering, and polyphase work. 



TESTING OF CONTINUOUS 



CURRENT MACHINES 



IN LABORATORIES AND TEST-ROOMS. 



By C. KINZBRUNNER, A.M.I.E.E., 



Late of the Manchester School of Technology. 



Demy 8vo. Profusely Illustrated. Price 6s. net ; 6s. $d. post free. 



Special chapters are devoted to : Resistance Measurement Measure of 

 Temperatures Insulation Measurements Measurement of Speed No-load 

 Characteristics Load Characteristics Magnetic Measurements Efficiency 

 Separation of Losses Practical Testing of Continuous Current Machines. 



HARPER & BRO-EHERS 

 45, ALBEMARLE STREET, LONDON, W. 



