| Year | 1908 |
| Date | 05-Mar |
| Volume | 18 |
| Issue | 358 |
| Page | 225 |
| Category | Electronic |
| Part | |
| Title | Recent Contributions to Electric Wave Telegraphy |
| Author | Prof. Fleming |
| Notes | Royal Institution Lecture. Connections for Poulsen's apparatus for generating undamped oscillations, characteristic curves for continuous current arc in air & hydrogen (Upson) |