| Year | 1946 |
| Date | 20-Jun |
| Volume | 94 |
| Issue | 2,354 |
| Page | 605 |
| Category | Locomotive |
| Part | |
| Title | Aids to Boilersmithing |
| Author | LBSC |
| Notes | Easily-made staybolt tap, how to make a ratchet box-spanner, rotating box-spanner, holding-up bar, two useful stay-nut spanners |