| Year | 1922 |
| Date | 25-May |
| Volume | 46 |
| Issue | 1,100 |
| Page | 502 |
| Category | Locomotive |
| Part | |
| Title | Controlling Model Steam Locomotives from the Signal Cabin |
| Author | Henry Greenly |
| Notes | By gramophone governor, auxiliary governor valve, complete arrangement, worm reversing gear |