| Year | 1934 |
| Date | 21-Jun |
| Volume | 70 |
| Issue | 1,728 |
| Page | 583 |
| Category | Electrical Work |
| Part | |
| Title | Practical Armature Winding for Small Generators and Motors |
| Author | A.H.Avery |
| Notes | Preparing specimen diagrams, neutral point, combining coil and commutator connections, crossings protection, lap wave, grouped windings, coil span, brush position, key diagrams, lap, wave connections, two-circuit windings, series connections, correction |