| Year | 1923 |
| Date | 21-Jun |
| Volume | 48 |
| Issue | 1,156 |
| Page | 653 |
| Category | Locomotive |
| Part | |
| Title | Locomotive News and Notes |
| Author | Chas. S.Lake |
| Notes | New German-Built Locomotives for Bulgaria (0-12-0). Adhesion Weight. The Life of Locomotive Crank-Axles (Fracture) |