| Year | 1923 |
| Date | 02-Aug |
| Volume | 49 |
| Issue | 1,162 |
| Page | 132 |
| Category | Model Engineering Equipment and Supplies |
| Part | |
| Title | A Review of Current Technical Progress. Brown & Sharpe Precision Tools |
| Author | |
| Notes | Some Notes on the History and Development of the Micrometer Caliper. General view of works |