Preface 1. Historical introduction 2. Generalities concerning electromagnets and electromagnetism. Typical forms of electromagnets. Materials of construction 3. Properties of iron 4. Principle of the magnetic circuit. The law of traction Design of electromagnets for maximum traction 5. Extension of the law of the magnetic circuit to cases of attraction of an armature at a distance. Calculation of magnetic leakage 6. Rules for winding copper wire coils 7. Special designs. Rapid-acting electromagnets. Relays and chronographs 8. Coil-and-plunger 9. Electromagnetic mechanism 10. Electromagnetic vibrators and pendulums 11. Alternate-current electromagnets 12. Electromagnetic motors 13. Electromagnet machine tools 14. Modes of preventing sparking 15. The electromagnet in surgery 16. Permanent magnets Appendix Index.
Preface 1. Historical introduction 2. Generalities concerning electromagnets and electromagnetism. Typical forms of electromagnets. Materials of construction 3. Properties of iron 4. Principle of the magnetic circuit. The law of traction Design of electromagnets for maximum traction 5. Extension of the law of the magnetic circuit to cases of attraction of an armature at a distance. Calculation of magnetic leakage 6. Rules for winding copper wire coils 7. Special designs. Rapid-acting electromagnets. Relays and chronographs 8. Coil-and-plunger 9. Electromagnetic mechanism 10. Electromagnetic vibrators and pendulums 11. Alternate-current electromagnets 12. Electromagnetic motors 13. Electromagnet machine tools 14. Modes of preventing sparking 15. The electromagnet in surgery 16. Permanent magnets Appendix Index.
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