| Year | 1945 |
| Date | 07-Jun |
| Volume | 92 |
| Issue | 2,300 |
| Page | 547 |
| Category | Internal Combustion |
| Part | 2 |
| Title | Ignition Equipment. Design and Construction. A comprehensive review (continued) |
| Author | Edgar T.Westbury |
| Notes | Pole-piece design, rotor and stator poles of magneto illustrating angular overlap, unsymmetrical pole-pieces, low-tension magnetos, rotor and stator of 4-pole magneto with equal effective overlap |