图书简介

Preface; 1. Comparing electromotive forces; 2. Voltaic constants; 3. On the best arrangement of Wheatstone’s bridge for measuring a given resistance with a given galvanometer and battery; 4. Sensitiveness of Wheatstone’s bridge; 5. On an advantageous method of using the differential galvanometer for measuring small resistances; 6. On the differential galvanometer; 7. On duplex telegraphy (part 1); 8. On duplex telegraphy (part 2); 9. Notes on Mr. Edison’s electrical problem; 10. On the resistance of galvanometers; 11. On a test for telegraph lines; 12. On the electrostatic capacity of suspended wires; 13. On telegraphic signalling with condensers; 14. On the extra current; 15. On the speed of signalling through heterogeneous telegraph circuits; 16. On the theory of faults in cables; 17. On electromagnets, etc.; 18. Magneto electric current generators; 19. On induction between parallel wires; 20. Contributions to the theory of the propagation of current in wires; 21. Dimensions of a magnetic pole; 22. Theory of microphone and resistance of carbon contacts; 23. The earth as a return conductor; 24. The relations between magnetic force and electric current; 25. The energy of the electric current; 26. Some electrostatic and magnetic relations; 27. The energy of the electric current; 28. The induction of currents in cores; 29. Remarks on the Volta force, etc.; 30. Electromagnetic induction and its propagation (part 1).

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