| Year | 1938 |
| Date | 10-Mar |
| Volume | 78 |
| Issue | 1,922 |
| Page | 233 |
| Category | Educational |
| Part | |
| Title | First Steps in Model Engineering. Workshop Advice, Experience and Philosophy for Readers of all Ages |
| Author | "Inchometer" |
| Notes | Magnets and their polarity, types of field magnets, permanent magnet dynamos, electromagnetic dynamos, to explain arrangements of various types of dynamos, series-wound electromagnet dynamos, shunt-wound electromagnetic dynamos, compound electromagnet dynamos, about initial magnetism |