| Year | 1949 |
| Date | 30-Jun |
| Volume | 100 |
| Issue | 2,510 |
| Page | 811 |
| Category | Electrical |
| Part | |
| Title | The Design and Construction of Small Power Transformers |
| Author | A.R.Turpin |
| Notes | Three different methods of constructing, a wound bobbin, construction of former for sectional windings, connections to former-wound coils, a hand winder |