| Year | 1906 |
| Date | 30-Aug |
| Volume | 15 |
| Issue | 279 |
| Page | 206 |
| Category | Electronic |
| Part | 9 |
| Title | Induction Coils for X-Ray and Other Purposes |
| Author | John Pike |
| Notes | The Secondary Winding. Machine for winding, driving gear & winder, winding reel, winding accessories |