| Year | 1923 |
| Date | 01-Nov |
| Volume | 49 |
| Issue | 1,175 |
| Page | 479 |
| Category | Internal Combustion |
| Part | |
| Title | Small Power Internal Combustion Engines for Workshop Driving |
| Author | T.W.Averill |
| Notes | Mixing valve combined with "De Dion" central jet carburettor, preventing oil splash from pulley flange, gunmetal mixing valve and seating, 4-in by 7-in gas engine, converted "De Dion" |