| Year | 1953 |
| Date | 05-Feb |
| Volume | 108 |
| Issue | 2,698 |
| Page | 164 |
| Category | Electronic |
| Part | 2 |
| Title | Components for Radio Control |
| Author | Raymond F.Stock |
| Notes | Pneumatic delay device, steering selector, electrical and mechanical details, delay device, electric actuator, limit switches, motor selector |