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Show Chemist Deg De\iscs De iscs De'lses Delses \ ' lses Method MethodFor MethodFor For Hunting Huntmg SubmarmesVINEYARD SubmarinesVINEYARD Submarines Submarmes SubmarinesVINEYARD VINEYARD HAVEN MASS-A MASS A MASSA MASSAchemical MASS -A A - Achemical Achemical chemical process by . which .hlch hlch the thecourse thecourse thecourse course and position of ot submarines submarinescould submarinescould submarinescould could be checked is being cons cens d dcred dered dered cred ered by the war department ac according according according cording to Dr fi r lb . ax Trumper Ph la ladelphla ladolphia ladolphia delphla dolphia b o 0 chemlbtHe chemistHe chemi&t chemit chemlbt chemist chemi&tHe & He sa d that certa n gas-s gas s gas - s d s scharged scharged scharged charged by a submarine submarmc when it itrises itrises itrises rises to the surface su.face suface . to obta-n obta n obla.n oblan obta.n obtan . . - fresh freshsuppl freshsuppl freshsuppi suppl es of oxyge t , i and .od od nd . recharge Its Itsbatteries itsbatteries itsbatteries batteries m ngle w Ui lh th the water watcr A A'surface Asurface Asurface 'surface surface ' sh p by dropp ng certam certain certamchem certainthem certainchem chem them cals which cause the .he he ! . waler water walerto waterto waterto to change color on em 1"1 11 mix ithia " , ng with the thegases thegases thegases gases could wee checK cheers " , he sulmarme sutmarme sutmarine 5 s 5position sposition sposition position f . , |