New Developments in Science 591 



friends on shore by means of short-wave radio and the regular 

 telephone lines. 



Radio and Aviation. A huge passenger plane roared across 

 the flying field and swept up into the air. As it passed over the 



Publishers' Photo Service. 



HE HELPS MAKE FLYING SAFE 



This radio operator is in constant contact with all passenger planes flying to or from 

 the airport where he is stationed. He keeps the pilots informed concerning the 

 weather and other important information and stands ready to send help in any 



emergency. 



edge of the field a wheel came loose from the undercarriage and 

 hurtled to the earth. The pilot of the plane did not know that the 

 wheel was gone and that if he tried to make a normal landing at 

 his next stop the plane would be wrecked. Yet before the plane 

 was out of sight, a voice from the flying field told the pilot of 

 his danger. As a result, he was able to make a skilful one-wheel 

 landing at the next field, saving his passengers from injury and 

 perhaps death. It was the magic voice of radio that saved the 

 situation. 



