| Year | 1916 |
| Date | 28-Sep |
| Volume | 35 |
| Issue | 805 |
| Page | 204 |
| Category | Workshop |
| Part | |
| Title | More Gauge Troubles Overcome |
| Author | H.S. |
| Notes | The Rectifying of a Self-centreing Chuck, and Grinding a Shoulder on a Cylindrical Depth Gauge. Details of the gauge, showing rectification of error, faulty method of end grinding, improved method of grinding |