| Show Ill Berlin BellIn Nov 21 Future aerial gators Ilc to 10 great front will use hermeticallY sealed Ilou dou double ble amid gauss cages and before starting will put on oxygen masks according to 10 1 a ot of Dr D Hermann Von Schroeter ot of Vienna In II a lecture the Berlin I ly ot of aerial navigation Dr Val VOl tel ter that the tho physiological disturbances ih tam upper tipper are duo solely to 10 lack of oxygen and ami ho nil an early to oxygen In i Ibo Iho brul effects of limo tho Poorer atmosphere are perceptible that the thc lungs receive los less fro front III puro oX en In mum IIII air at n a height or of II 11 frum IIII air nt at the nIo u or to H to the diminished GO 00 pet rent cent lees at 10 kilometers which under that this 11 is available only tinder twin owing to 10 disturbances ot of the tho hence time thu prediction made b by Ur Dr Von |