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Show Balloon Stays in Air A balloon that will stay in the llr for weeks at a time has been invented by M. l.ucien Bodin of France. Boriin claims that his new levice precludes the necessity of having to release all the gas from the bag in order to regulate regu-late its altitude. Besides the balloon's ordinary gas bag tilled with hydrogen, not sufficient to support it alone, the proposed craft will carry an auxiliary compartment filled with air to supply buoyancy. The pilot can regulate his altitude by heating or cooling the air, thus obviating tiie necessity of releasing releas-ing any of the hydrogen. Chicago Daily' News. |