| Year | 1909 |
| Date | 24-Jun |
| Volume | 20 |
| Issue | 426 |
| Page | 587 |
| Category | Workshop |
| Part | |
| Title | Recent Improvements in Micrometers and similar Measuring Instruments |
| Author | |
| Notes | Mr. Arthur S.Lane patent. Device to indicate excess or deficiency errors in measuring instruments |