| Year | 1980 |
| Date | 04-Apr |
| Volume | 146 |
| Issue | 3,630 |
| Page | 399 |
| Category | Exhibition |
| Part | |
| Title | 49th Model Engineer Exhibition 1980. Class "K" - Internal Combustion Engines |
| Author | D.M.Chaddock (D.H.Chaddock?) |
| Notes | A 15 cc. Phoenix and a freelance 5 cc. gas engine by C.Ralphs, i.c. engines and a 30 cc. aircraft engine by John de Mott, Len Mason's flame research engine |