| Year | 1939 |
| Date | 27-Apr |
| Volume | 80 |
| Issue | 1,981 |
| Page | 499 |
| Category | Electrical |
| Part | |
| Title | Magnetism |
| Author | H.Chapman-Pincher |
| Notes | Elementary electricity and magnetism. Arrangement of molecules in a magnet, in a non-magnetic substance, magnetisation of a piece of iron, magnetic effect of an electric current, a simple electro magnet |