| Year | 1944 |
| Date | 13-Jul |
| Volume | 91 |
| Issue | 2,253 |
| Page | 35 |
| Category | Internal Combustion |
| Part | 1 |
| Title | Ignition Equipment. Principles and Practice (continued) |
| Author | Edgar T.Westbury |
| Notes | The B.T.H. type JD6 magneto, the Lucas type VRA magnetos, increasing flux path, magnetic circuit of Lucas type VRA6 magneto, contact breaker |