| Year | 1938 |
| Date | 14-Apr |
| Volume | 78 |
| Issue | 1,927 |
| Page | 339 |
| Category | Stationary Engine |
| Part | |
| Title | A Model "Watt" Rotative Engine |
| Author | J.G.Wilson |
| Notes | A Silver Medal Winner at the 1937 "M.E." Exhibition. Steel strip tapped and sawn off for square nuts, steam valve with operating sector, built-up flywheel |