| Year | 1947 |
| Date | 25-Dec |
| Volume | 97 |
| Issue | 2,431 |
| Page | 684 |
| Category | Workshop |
| Part | |
| Title | Machine Vice for the Vertical Slide |
| Author | P.B.D. |
| Notes | Elevations and plan, base, detail sketches of fixed and loose jaws, screw block and slides, layout of tapped holes, swivel stud |