| Year | 1934 |
| Date | 29-Nov |
| Volume | 71 |
| Issue | 1,751 |
| Page | 521 |
| Category | Locomotive |
| Part | |
| Title | "Dyak" |
| Author | LBSC |
| Notes | How to build, expansion links, link with circular die pin, what happens when it wears, slotting cutter, one way of milling link slots in lathe |