| Year | 1937 |
| Date | 20-May |
| Volume | 76 |
| Issue | 1,880 |
| Page | 470 |
| Category | Tool-Room Topics |
| Part | |
| Title | Some notes on Boring-Tools |
| Author | R.Hutcheson |
| Notes | Boring-bar ends with inclined and straight fly-cutters, locking fly-cutters by flattened taper pin, grub-screw adjustment for fly-cutter, solid type boring -bar, Newall "Precision" tool head |