| Year | 1937 |
| Date | 03-Jun |
| Volume | 76 |
| Issue | 1,882 |
| Page | 521 |
| Category | Tool-Room Topics |
| Part | |
| Title | Centre-Punching and Drilling Holes |
| Author | R.Hutcheson |
| Notes | Jeweller's light hammer, light centre punch, heavy centre punch with vertical guide, flat spotting drill, guide bracket for small pilot drills and locating feelers |