| Year | 2011 |
| Date | 07-Oct |
| Volume | 207 |
| Issue | 4,414 |
| Page | 497 |
| Category | Locomotive |
| Part | 2 |
| Title | William Spence Locomotive for 7 1/4in. Gauge |
| Author | Cliff Almond |
| Notes | Describes an unusual narrow gauge 0-4-0T for 7 1/4in. gauge. William Spence stationary engine, William Spence - the company |