| Year | 1915 |
| Date | 19-Aug |
| Volume | 33 |
| Issue | 747 |
| Page | 167 |
| Category | Railway |
| Part | |
| Title | Train Resistance on Model Railways |
| Author | Laurence H.A.Carr |
| Notes | Paper presented to the Manchester Society of Model Engineers. Test results, test eliminating gradient error, locomotive tests |