首页 / 官方藏书 / Home-made Toy Motors / A practical handbook giving detailed instructions for building simple but operative electric motors / CHAPTER I. EXPLAINING HOW AN ELECTRIC MOTOR OPERATES. SOME PRINCIPLES OF MAGNETISM. THE DIFFERENCE BETWEEN A SHUNT AND A SERIES MOTOR.

CHAPTER I. EXPLAINING HOW AN ELECTRIC MOTOR OPERATES. SOME PRINCIPLES OF MAGNETISM. THE DIFFERENCE BETWEEN A SHUNT AND A SERIES MOTOR.

Home-made Toy Motors / A practical handbook giving detailed instructions for building simple but operative electric motors · Alfred Powell Morgan · 第 2 / 6 章