| Year | 1919 |
| Date | 05-Jun |
| Volume | 40 |
| Issue | 945 |
| Page | 440 |
| Category | Electrical |
| Part | |
| Title | The Fullerphone and its Application to Military and Civil Telegraphy |
| Author | Major A.C.Fuller |
| Notes | Paper read before the Institute of Electrical Engineers. Calling arrangements with Fullerphone, disturbance due to earth currents or leakage, earth currents, use of potentiometer, leakage currents from Morse, explanation of circuits |