| Year | 1937 |
| Date | 27-May |
| Volume | 76 |
| Issue | 1,881 |
| Page | 486 |
| Category | Educational |
| Part | |
| Title | First Steps in Model Engineering. Workshop Advice, Experience and Philosophy for Readers of all Ages |
| Author | "Inchometer" |
| Notes | Approximate reference sizes, steel balls and rollers, sensitiveness of ordinary calipers, registering calipers, screw propellers for boats, driving power absorbed by thrust and shaft, some working affects, shape, size and blades, advantage of gearing |