| Year | 1928 |
| Date | 21-Jun |
| Volume | 58 |
| Issue | 1,415 |
| Page | 588 |
| Category | Electrical Work |
| Part | |
| Title | About Compound-Wound Dynamos and Charging Accumulators |
| Author | |
| Notes | Meaning of compound-wound, correcting variations of voltage, the speed should be constant, effects of back discharge, charging by compound-wound dynamos, rate of charging depends upon rate of flow of current |