| Year | 1933 |
| Date | 22-Jun |
| Volume | 68 |
| Issue | 1,676 |
| Page | 587 |
| Category | Electrical |
| Part | |
| Title | Practical Dynamo and Motor Testing. General and Special Faults. Tests on New and Old Machines. A General Survey of Mechanical Faults |
| Author | A.H.Avery |
| Notes | Dynamo or motor? Discriminating between A.C. and D.C., estimating voltage, finding output of a dynamo, indication of faults present, finding the output in volts and amperes, finding the output in watts, checking the current-carrying capacity |