An Unabridged Printing Of The Second Edition, To Include Over 200 Figures: Electrical Laws And Facts - Magnetic Laws And Facts - Armatures - Field Magnets - Operation Of Armatures - Efficiency Of Operation - Constant Potential Dynamos - Constant Current Dynamos - Motors - Series Motors - Dynamotors, Motor-Generators, And Boosters - Management Of Machines - The Design Of Machines - Tests - Comprehensive Index