| Year | 1928 |
| Date | 24-May |
| Volume | 58 |
| Issue | 1,411 |
| Page | 499 |
| Category | Practical Letters from Our Readers |
| Part | |
| Title | Model-Making in Canada |
| Author | Fredk. Pollock |
| Notes | 1 3/4-in. gauge locomotive chassis by Fred. Pollock, method of making link for reversing gear, Jim Thom's twin reversing steam engine |