| Year | 1949 |
| Date | 06-Oct |
| Volume | 101 |
| Issue | 2,524 |
| Page | 446 |
| Category | In The Workshop |
| Part | 47 |
| Title | Fitting Angular Rests and a Twist Drill Jig to a Grinding Machine |
| Author | "Duplex" |
| Notes | Using the angular rest, using the twist drill jig, fitting the Potts drill jig to the machine |