| Year | 1932 |
| Date | 22-Dec |
| Volume | 67 |
| Issue | 1,650 |
| Page | 587 |
| Category | Electrical |
| Part | 2 |
| Title | The Troubles of an Amateur Electrician. Armature and Commutator Connections |
| Author | A.H.Avery |
| Notes | Typical two-pole field magnet, armature coil at right angles to magnetic field, brushes at right angles to field, coil connected to commutator segements, brushes on centre line of field, arrangement of four-pole motor |