| Year | 1952 |
| Date | 12-Jun |
| Volume | 106 |
| Issue | 2,664 |
| Page | 774 |
| Category | In The Workshop |
| Part | 117 |
| Title | Using the Drilling Spindle |
| Author | "Duplex" |
| Notes | Making the clamp-piece, mounted on Drummond and Myford lathes, clamp piece, mounting the drilling spindle on the drill column, clamp bolts and distance-pieces, spring anchorage, the mounting plate |