| Year | 1939 |
| Date | 27-Jul |
| Volume | 81 |
| Issue | 1,994 |
| Page | 110 |
| Category | Internal Combustion |
| Part | |
| Title | Carburettors |
| Author | Edgar T.Westbury |
| Notes | The Atom Type "R" Model for Petrol Engines. General arrangement, body of mixing chamber, sketch showing method of drilling pilot jet fuel passage, float chamber, float chamber cover |