| Year | 1977 |
| Date | 18-Mar |
| Volume | 143 |
| Issue | 3,557 |
| Page | 318 |
| Category | Exhibition |
| Part | |
| Title | Model Engineer Exhibition 1977. Internal Combustion Engines |
| Author | Prof. D.H.Chaddock |
| Notes | A.Walshaw's Monosoupape rotary engine, twin-cylinder 17 cc. engine by R.Cox, a "Centaur" engine by F.J.Trentham |