| Year | 1929 |
| Date | 20-Jun |
| Volume | 60 |
| Issue | 1,467 |
| Page | 582 |
| Category | Workshop |
| Part | |
| Title | Useful Workshop Accessories. A Built-up Sensitive Drill |
| Author | B.A. |
| Notes | Chuck, drill table stem and socket, skew-pulley brackets, brass pulleys, lifting spring, hand-lever bar, thrust-collar, angle-piece and link, driving pulley |