| Year | 1930 |
| Date | 20-Feb |
| Volume | 62 |
| Issue | 1,502 |
| Page | 171 |
| Category | Workshop Topics |
| Part | |
| Title | Hammering Out a Coping for Firebox Lagging from Brass Plate |
| Author | G.Gentry |
| Notes | The former for hammering, showing how the superfluous metal between was removed |