| Year | 1923 |
| Date | 03-May |
| Volume | 48 |
| Issue | 1,149 |
| Page | 465 |
| Category | Radio Engineering |
| Part | |
| Title | The Fine Art of Tuning. A Short Discussion on "Tuning-in" Wireless Stations |
| Author | Gilson MacCormack |
| Notes | Common slider type inductance, duo-lateral coils, honeycomb coil inductance, variometers |