| Year | 1928 |
| Date | 23-Aug |
| Volume | 59 |
| Issue | 1,424 |
| Page | 181 |
| Category | Workshop |
| Part | 6 |
| Title | For the Apprentice's Tool Kit. Making a Pair of Outside Calipers |
| Author | |
| Notes | General note, proportions of calipers, setting out and making calipers, to make the joints, shaping and finishing points |