| Year | 1936 |
| Date | 23-Apr |
| Volume | 74 |
| Issue | 1,824 |
| Page | 393 |
| Category | Educational |
| Part | |
| Title | First Steps in Model Engineering. Workshop Advice, Experience and Philosophy for Readers of all Ages |
| Author | "Inchometer" |
| Notes | Friction key, sunk key, saddle key friction drive fixing, key on flat, parallel keys, fitting a key, drive and fixing by key and flat on shaft, making keyways, proportions of keys, feather key drive for sliding motion |