| Year | 1917 |
| Date | 22-Feb |
| Volume | 36 |
| Issue | 826 |
| Page | 115 |
| Category | General |
| Part | |
| Title | The Manufacture of Gauges |
| Author | A.G.Cooke and W.G.Tunnicliffe |
| Notes | At the L.C.C. Paddington Technical Institute before the Institution of Mechanical Engineers. Apparatus for pitch measurement, test taken on opposite sides of a test piece of 14 threads to the inch, leading screw pitch, 4 threads to the inch, final test on screw showing a satisfactory range for a length of 1 1/4", apparatus for core diameter measurement |