| Year | 1944 |
| Date | 04-May |
| Volume | 90 |
| Issue | 2,243 |
| Page | 424 |
| Category | Internal Combustion |
| Part | 1 |
| Title | Ignition Equipment. Principles and Practice (continued) |
| Author | Edgar T.Westbury |
| Notes | Elementary form of polar inductor magneto, a common arrangement for a two-spark polar inductor magneto, rotor for four-spark, sectional illustration of the B.T.H. type CE, flux reversals, the sleeve inductor magneto, arrangement of field magnet system, pros and cons of polar inductor magnetos, the Bosch sleeve inductor magneto |