| Year | 1931 |
| Date | 26-Nov |
| Volume | 65 |
| Issue | 1,594 |
| Page | 525 |
| Category | Electrical |
| Part | 11 |
| Title | Simple Electrical Measurements |
| Author | A.H.A. |
| Notes | Reading the dials of an electricity meter, principle of magnetic brake, direct current integrating meters, alternating current integrating meters, integrating meters for both D.C. and A.C. |