| Year | 1928 |
| Date | 19-Apr |
| Volume | 58 |
| Issue | 1,406 |
| Page | 374 |
| Category | Electrical Work |
| Part | |
| Title | Constant Voltage Generators for House Lighting |
| Author | A.H.A. |
| Notes | Shunt wound dynamo connections, diagram showing third brush connection, showing flux density and the action of the third brush |