| Year | 1976 |
| Date | 19-Mar |
| Volume | 142 |
| Issue | 3,533 |
| Page | 269 |
| Category | Exhibition |
| Part | |
| Title | Model Engineer Exhibition. Internal Combustion Engines |
| Author | Prof. D.H.Chaddock |
| Notes | Monosoupape rotary engine by A.Walshaw, experimental hot air engine by B.R.Pople, twin-cylinder two-stroke by G.E.Wolfe |