| Year | 1943 |
| Date | 11-Mar |
| Volume | 88 |
| Issue | 2,183 |
| Page | 220 |
| Category | Electrical |
| Part | |
| Title | Coil Winding by Hand |
| Author | C.Crowther |
| Notes | Former for heavy-gauge wire, the carcase of a powerful electro magnet, winding an electro-magnet coil, insulation, doping |