| Year | 1938 |
| Date | 31-Mar |
| Volume | 78 |
| Issue | 1,925 |
| Page | 292 |
| Category | Electrical |
| Part | |
| Title | A Small Water-driven Electric Generating Set for Radio Service |
| Author | A.J.Cannon (Natal, S.A.) |
| Notes | Power required, end view showing bucket, another view showing cap & commutator, making castings, the high-tension plant, trials, fields connection diagram, section of high-tension dynamo & water-wheel, electrical work, smoothing circuit, armature winding |