| Year | 1914 |
| Date | 29-Jan |
| Volume | 30 |
| Issue | 666 |
| Page | 109 |
| Category | Electronic |
| Part | |
| Title | Notes on Wireless |
| Author | W.S.Farren |
| Notes | Plan, side & end elevations of coupling, connections of secondary circuit, method of leading in from centre of aerial, complete instruments, aerial pole, demonstrating variations of coefficient of coupling, system of connections for direct-coupling |