| Year | 1940 |
| Date | 11-Apr |
| Volume | 82 |
| Issue | 2,031 |
| Page | 373 |
| Category | Workshop |
| Part | |
| Title | Gauges and Gauging |
| Author | R.Barnard Way |
| Notes | For those on National Service. Two shaft gauging appliances using dial gauges, the wedge method of measuring holes, pin gauging method, the steel ball method, calipering end blocks, roller and block gauges, the principle of three agreeing surface blocks, gauging by means of optical flats |