The American Bureau of Weather tests the atmosphere with machinery and balloons.
Diagram of a map points out various places in the United States of America, London - England, Stockholm - Sweden, Versailles - France (relates to the different locations of stories in this issue).
Titles read: "EXPLORING THE STRATOSPHERE".
United States of America.
An aerometeorgraph (sp?) that records valuable details about the weather is fastened to a biplane in America. The plane is seen taking off and landing. Then a radio transmitter is fastened to a balloon and flies up to a great altitude, beaming details back to a receiving set on the ground.
In the Mid-Pacific, a gas balloon is set off from a naval ship. The movements are noted and sent on to the American Weather Bureau.