| Year | 1909 |
| Date | 09-Dec |
| Volume | 21 |
| Issue | 450 |
| Page | 564 |
| Category | Locomotive |
| Part | |
| Title | Locomotive Notes |
| Author | Chas. S.Lake |
| Notes | The Efficiency of N.L.R. Tank Engines. New Locomotives on the North British Railway. The Influence of Driving Wheel Diameter on Speed. Huge Locomotives on the P.L.M. |