| Year | 1946 |
| Date | 17-Oct |
| Volume | 95 |
| Issue | 2,371 |
| Page | 383 |
| Category | Workshop |
| Part | |
| Title | A Simple Ball-Bearing Drilling Machine |
| Author | C.Blazdell |
| Notes | Pattern for upper and lower castings, details of upper casting, feed lever, general arrangement, table, adjusting screw, driving by motor or belt, method of applying feed |