| Year | 1937 |
| Date | 23-Dec |
| Volume | 77 |
| Issue | 1,911 |
| Page | 620 |
| Category | Tool-Room Topics |
| Part | |
| Title | Securing Punches to their Holes |
| Author | R.Hutcheson |
| Notes | An irregular-shaped punch, head to prevent withdrawal, two ways of anchoring a punch, with Cerromatrix, setting the punches in their holders, a blanking punch |