| Year | 1959 |
| Date | 03-Dec |
| Volume | 121 |
| Issue | 3,047 |
| Page | 479 |
| Category | Electronic |
| Part | 4 |
| Title | Multi-Channel operation in Radio-Control |
| Author | F.C.Judd |
| Notes | Tunes reed systems. Modulator for tone control, assembly of the modulator, simple voltmeter, calibrating the meter |