| Year | 1904 |
| Date | 01-Dec |
| Volume | 11 |
| Issue | 188 |
| Page | 512 |
| Category | Electrical |
| Part | |
| Title | The Construction of Model Alternators |
| Author | "Zodiac" |
| Notes | Pole pitch and pole breadth, breadth of winding, e.m.f. factor or "Kapp" co-efficient, armature windings, single phase windings |