| Year | 1988 |
| Date | 18-Mar |
| Volume | 160 |
| Issue | 3,821 |
| Page | 335 |
| Category | Exhibition |
| Part | |
| Title | The 57th Model Engineer Exhibition 1988. Reports. Class A4 Internal Combustion Engines |
| Author | Peter Wardropper |
| Notes | Wyvern gas engine by E.T.Cloude, Vega by Mr Walton, Mr Waterton's "V4" |