| Year | 1928 |
| Date | 09-Aug |
| Volume | 59 |
| Issue | 1,422 |
| Page | 128 |
| Category | Workshop |
| Part | 4 |
| Title | For the Apprentice's Tool Kit. Making a Depth Gauge |
| Author | |
| Notes | General note, description of the tool and drawings, making the depth gauge, fitting a registering rod |