| Year | 1950 |
| Date | 08-Jun |
| Volume | 102 |
| Issue | 2,559 |
| Page | 842 |
| Category | Novices' Corner |
| Part | |
| Title | The Test Indicator in Use |
| Author | |
| Notes | Centring work in the chuck, aligning work on the lathe saddle, using the test indicator on the surface plate, testing plummer blocks |