| Year | 1939 |
| Date | 09-Mar |
| Volume | 80 |
| Issue | 1,974 |
| Page | 280 |
| Category | Workshop |
| Part | |
| Title | Making Small Drills |
| Author | B.Burrows |
| Notes | Improvements, details fo the polisher, a drill worth 10s, elevation and plan of drill making machine, general arrangement, beautiful finish, sharpening the drills |