Includes: "Special Report on Electric Motors" as published in Machine Design; papers from the American Institute of Electrical Engineers (AIEE) conference: "Sources of Electromagnetic Vibration in Single-Phase Induction Motors," by L.W. Magyar; "New Inorganic Insulation for 500 Degree C Electrical Equipment," by C.H. Vondracek and E.J. Croop; "Characteristics of Induction Motors with Permanent Magnet Excitation," by J.F.H. Douglas; "Effect of Air Gap Eccentricity on Motor Sound Level," by J.J. Courtin; "Torque and Speed Control of Induction Motors Using Saturable Reactors," by J.F. Szablya; "Results of Motorette Evaluation of Insulation Systems," by H.P. Boettcher, "Motor Speed-Torque Curves by Digital Computer," by J.M. Shulman; "Synthesis of Induction Motor Designs on a Digital Computer," by C.G. Veinott; "Accelerated Voltage Endurance Tests," by R.G. Rhudy and H.E. Mazanek; "Thermal Evaluation of Rigid Electrical Insulating Materials, a Proposed Test Procedure and Problems Related Thereto," by the AIEE Working Group on Rigid Electrical Insulating Materials.