| Year | 1931 |
| Date | 19-Nov |
| Volume | 65 |
| Issue | 1,593 |
| Page | 502 |
| Category | Electrical |
| Part | 10 |
| Title | Simple Electrical Measurements |
| Author | A.H.A. |
| Notes | Arrangement of ammeter with shunt, position of ammeters and voltmeters in a circuit, increasing the range of a voltmeter by multipliers |