| Year | 1918 |
| Date | 05-Dec |
| Volume | 39 |
| Issue | 919 |
| Page | 309 |
| Category | Nautical |
| Part | |
| Title | Some Useful Tools for Model Boat Building |
| Author | |
| Notes | Callipers for measuring the thickness of a boat hull, surface gauge for making (marking?) out the water line, details of a useful clamp for the bench, the clamp in use |