| Show NEW USE FOR LOCAL helium of great poten exist in eastern utah th proof if this statement lies in the ex order issued m 1926 b dent coolidge creating a large helium reserve at woodside where the oil refining struck in tab carboniferous a forty five foot sand at a depth of teti that registered an initial production of cubic feet of man gen gas analyzing analysing ana lysing 1 7 per cent helium a content that ig twice as large tea thai contained in the present source ot supply m texas in view of the facts that utah is looked upon a future source ol 01 supply and the president recently applied for an appropriation for thac development of helium resources presumably m utah the recently discovered use for this acs is of interest heretofore the rare non gas has been sought because of its value in the safe aper aaion of large dirigibles but the united states navy department part ment the bureau of mines ana the public health service in compera tion have discovered that by melting a synthetic atmosphere of helium and oxygen divers can remain submerged for longer periods and work can be done tet a greater depth than formerly A description of these experiments is given as follows by the compressed air magazine were it not for the high cost ot helium the possibilities of a synthetic atmosphere of helium and oxygen if used during the entire period divers are under pressure would be almost unlimited instead of ion hour on the bottom at a foot depth nearly two hours could be spent there without any increase in the period ol 01 decompression this would permit of much faster operations without the continual interruptions incident to the changing bof shifts or on ane cither hand work might be earned on by a diver for an hour at a depth ot more than feet this would alake feasible the salvaging of many wrecks that have hitherto not been consider el recoverable because cf the pro tra acted period necessary to becom press underwater workers an attempt has been amiade to de celop a synthetic atmosphere would be more suitable for divers than ordinary air after large number of experiments that have been on animals it was found that by replacing the nitrogen of the air with helium and by reducing the oxygen content below that of normal air an atmosphere could be produced that would permit in one third to one fourth the time required for air incidents inci denti ily the deleterious deflect from oxygen poisoning could be prevented helium is about half as soluble as nitrogen and thereby reduces the amount of excess gag that a irian will accumulate m his system while under pressure and that vill have to be freed from the bleed during decompression because the hel lum ariole cule is smaller than that ol 01 nitrogen it will diffuse more rapidly |
