| Year | 1941 |
| Date | 27-Mar |
| Volume | 84 |
| Issue | 2,081 |
| Page | 255 |
| Category | Electrical |
| Part | |
| Title | A Model Froment Electro-Motor |
| Author | R.F.M.Woodforde |
| Notes | The magnet, the coils, the armature, the bearings, the spindle wheel and crank, the rocking shaft, levers, etc, the connecting-rods, the contact-maker, the brush gear |