| Year | 1914 |
| Date | 23-Apr |
| Volume | 30 |
| Issue | 678 |
| Page | 400 |
| Category | Electronic |
| Part | |
| Title | Some Experiments with High-Frequency Currents |
| Author | P.G.Bull |
| Notes | Action of ultr-violet light on spark-gap, on a Geissler tube, jar of water acting as a lens, obtaining a shock from Tesla coil, conductivity of flames, Oudin resonance experiment with two similar coils |