| Year | 1957 |
| Date | 09-May |
| Volume | 116 |
| Issue | 2,920 |
| Page | 683 |
| Category | Exhibition |
| Part | |
| Title | The Physical Society's Exhibition |
| Author | Edgar T.Westbury |
| Notes | Commetns and conclusions. Instrument lathe, dial test indicator, automatic transfer mechanism by A.D.Pons, precision boring head by M.N.Buckingham |