| Year | 1960 |
| Date | 17-Mar |
| Volume | 122 |
| Issue | 3,062 |
| Page | 309 |
| Category | Smoke Rings |
| Part | |
| Title | Primitive farm vehicles |
| Author | Vulcan |
| Notes | George Warder, Western Development Museum Saskatoon Canada, 1907 frie engine, 28-80 h.p. Covk o' the North traction engine |