| Year | 1970 |
| Date | 02-Jan |
| Volume | 136 |
| Issue | 3,384 |
| Page | 21 |
| Category | Locomotive |
| Part | 6 |
| Title | Royal Scot. Gauge "0" high pressure locomotive, propane-fired boiler |
| Author | Martin Evans |
| Notes | The backhead, smokebox arrangement, superheater, preliminary test, regulator |