| Year | 1955 |
| Date | 24-Mar |
| Volume | 112 |
| Issue | 2,809 |
| Page | 320 |
| Category | Workshop |
| Part | |
| Title | From Scratch. A Sensitive Drill |
| Author | B.Terry Aspin |
| Notes | Machining the headstocks, Use of a 4-jaw chuck as a boring head, working parts, feed mechanism, millinig the rack teeth in the quill, part-sectioned view of the drill spindle assembly, the drill spindle, home-made, "captivating" the ball-bearings |