| Year | 1904 |
| Date | 18-Feb |
| Volume | 10 |
| Issue | 147 |
| Page | 152 |
| Category | Lessons in Workshop Practice |
| Part | |
| Title | Drill "Bits": How to Make and Use in the Lathe |
| Author | Chas. W.Cook |
| Notes | Ordinary flat "bit"m half-round or "D-bit", used for enlarging holes, rose bit |