| Year | 1967 |
| Date | 17-Nov |
| Volume | 133 |
| Issue | 3,333 |
| Page | 1,117 |
| Category | Boiler |
| Part | |
| Title | Propane Firing for Model Boilers |
| Author | F.Grosse-Holtfort |
| Notes | Part 2. Experiments with an alternative coal and propane fired stationary boiler. Part 3. The 5 in. gauge locomotive, boiler, tests |