The fascinating developments of the simplest form of travel through the air. A balloon is a gas-
Preparing Balloons for Flight
PREPARING BALLOONS FOR FLIGHT IN A HIGH WIND at an air sports meeting at Munich, Germany. Balloons are filled with gas through the neck above the basket. The neck is then tied up in the manner seen in this picture. Before the balloon takes off the neck is untied so that gas may escape as the balloon rises. If this were not done, the pressure inside the balloon would increase to such an extent that it would probably split the envelope.
Manoeuvres which teach taxying, taking-
The Important Points of a Circuit
THE IMPORTANT POINTS OF A CIRCUIT are illustrated in this diagram. To emphasize these points, the size of the aeroplane has been exaggerated. Rules of the air require that the machine shall maintain a straight glide for at least 300 yards before reaching the boundary of the aerodrome. There is no objection to the final turn into wind being made at a greater distance than 300 yards.
Twelve Miles From the North Pole
TWELVE MILES FROM THE NORTH POLE. At this spot the N-