| Year | 1933 |
| Date | 23-Nov |
| Volume | 69 |
| Issue | 1,698 |
| Page | 491 |
| Category | Petrol Engine Topics |
| Part | |
| Title | Carburettors for High Efficiency Engines |
| Author | Edgar T.Westbury |
| Notes | Effect of parallel bore, choke tubes, choke flared to ease intake restrictions, tapered choke tube with high discharge efficiency, position of jet in vertical carburettor, the location of the fuel jet, other forms of jet, annular diffuser, "slot" diffuser |