A Really practical combination of motor car and aeroplane has long been a dream of designers. Now it may have come true. A combined car and plane, named the Airphibian, was un­veiled to the public recently at the International Motor Sports Show. It "converts" from one style of conveyance to the other in four minutes. The Airphibian, which has been put into assembly-line pro­duction, has two sections: the ear, and a unit consisting of the tail, wings and fuselage of a standard-type plane. This un