| Year | 1921 |
| Date | 13-Oct |
| Volume | 45 |
| Issue | 1,068 |
| Page | 313 |
| Category | Radio Engineering |
| Part | |
| Title | A Continuous Wave Receiver |
| Author | Captain H. de A.Donisthorpe |
| Notes | Introduction, the aerial circuit, theory, oscillations of different periods, simple generator circuit, method of operation |