When the three-litre Bentley was first put on the British market, some three years ago, its sponsors stated that the car had been designed as a sports model, capable of good performances on the road. In its layout were incorporated several features that were the.outcome of experience gained in building high-efficiency aeroplane engines, and the way in which this car has gained considerable popularity among motorists of all classes has given the lie direct to those who considered that an engine incorporating such features as four valves per cylinder, dual magneto ignition, and other features usually connected with racing types pur et simple, would not be successful.   Continued...