| Year | 1942 |
| Date | 08-Jan |
| Volume | 86 |
| Issue | 2,122 |
| Page | 31 |
| Category | Workshop |
| Part | |
| Title | A Semi-Automatic Centre-Punch |
| Author | J.W.Footit |
| Notes | Sectional view showing punch in the loaded position, construction, order of assembly and fitting, loading action and release |