Show WILL BE SEALED UP Future Navigators of the Air Will Be Enclosad in Glass Jars With Oxygen Generators Berlin Nov 21 Future aerial navigators navi-gators deshing to attain great altitudes alti-tudes will use hermetically scaled double iva lied aluminum i ant glass cages and before starling will put on oxygen masks according to a prediction predic-tion of DI Hermann von Schroetter of Vienna In a lecture before tho Berlin Society of Aerial Navigation Dr von Schroetter maintains that the physiological physi-ological disturbances In the upper atmosphere at-mosphere are due solely to lack of oxygen oxy-gen and he advised an early recourse to oxygen Inspiration before the bad effects ef-fects of the poorer atmosphere are perceptible calculating that the lung 1 receive les oxygen from pure oxygen In an airship at a height of fourteen kilometers than from air at the stir face owing to the diminished pressure pres-sure and fiO per I cent less at nineteen kilometers which necessitates Inspiration Inspira-tion under pressure But this pressure IH available only under certain restrictions restric-tions owing to disturbances of the blood hence the predictions made by Dr yon Schroetlcr I |