| Year | 2023 |
| Date | 30-Dec |
| Volume | 230 |
| Issue | 4,707 |
| Page | 92 |
| Category | Locomotive |
| Part | 14 |
| Title | William Spence |
| Author | Cliff Almond |
| Notes | Continues his description of a potential narrow gauge 0-4-0T for 7 1/4 inch gauge. Advanced thoughts and musing on the motion, coupling and connecting rods |