| Year | 1981 |
| Date | 15-May |
| Volume | 147 |
| Issue | 3,657 |
| Page | 613 |
| Category | Correction |
| Part | 4 |
| Title | The Mini Drill. A Small-hole Drilling Accessory for the Tapping & Staking Tool |
| Author | Geo. H.Thomas |
| Notes | Further Construction Details. Feed lever, the screw bushes, screws, ball-bearing housing, lower spring anchor, fine adjustment stop, jockey pulley unit, junction block, jockey pulleys, axle |