| Year | 1927 |
| Date | 23-Jun |
| Volume | 56 |
| Issue | 1,363 |
| Page | 583 |
| Category | Something to Make |
| Part | 2 |
| Title | Boulton and Watt's Rotative Engine |
| Author | Bertram Joy |
| Notes | Some Model-Making Suggestions Gleaned from the Science Museum at South Kensington. Piston and rod, valve arm, rocking beam, main shaft, main bearing, gudgeon pin, sun and planet wheels, crank arm, parallel motion |