| Year | 1929 |
| Date | 03-Oct |
| Volume | 61 |
| Issue | 1,482 |
| Page | 327 |
| Category | Electrical |
| Part | |
| Title | A Simplified Method of Winding Sections for Spark Coils |
| Author | J.Pike |
| Notes | A pair of sections, the section former and winder, elevation and plan of apparatus for section winding, section former and winder, central dividing disc, holding waxed paper |