| Year | 1904 |
| Date | 28-Jul |
| Volume | 11 |
| Issue | 170 |
| Page | 89 |
| Category | Electrical |
| Part | |
| Title | The Construction of Model Alternators |
| Author | "Zodiac" |
| Notes | Magnetisation of iron, law of the magnetic circuit, magneto-motive force, magnetic flux, ampere turns per unit length, magnetic leakage, magnetisation curves |