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Show Balloon Stayt in Air A bulloon that will stay In the llr for weeks at a time has been Invented by M. I. iiclcn Itodln of Frauce. Bodin claims that bis new levlce precludes the necessity of having to release all the gas from I lie bag In order to regulate regu-late Its altitude. Besides the balloon's ordinary gas bag tilled with hydrogen, not Mifltcictit to support It alone, the proposed craft will carry an auxiliary compartment filled with air to supply buoyancy. The pilot can regulate bla altitude by beating or cooling the air, thus obviating the necessity of releasing releas-ing any of the hydrogen. Chicago tally News. |