Show I KARNS ARNS MACHINE TO HAVE HAVENE NEW TRIAL Delay at Johnstown Due to Poor Material in Drill Head DaA in bringing the Karns Karn tunneling n hin Into commercial use is due sole aole J 1 tu tv t errors jf f the builders according to toa a tive Interests In the Utah Karns Tun r ling Ung Machine Engineers of some of the la laist manufacturing eon con concerns t cerns CI ms of f th the east elUt who have become ac f tainted with the machine through its 4 v rk in m a tunnel for the Cambrian Steel 1 ks near Johnstown Pa pronounce i 1 a mechanical mP H I is Ii averred right only being required to toI I it to perform all that ha baa been f ia med d for tor it itin Thi in rh machine which the parent com corn T 1111 n had upon expErimentaL work at n Colo Cob said sald L I L Gilbert yes yest v t I was wa m imperfectly constructed the thew w rk to which it U was 68 subjected was for forit ye it f purpose of ot discovering dl weak points ft s T a remedying defects Yet it cut 74 71 4 feet feetIe i Ie hardest kind of rock with one had h ad The drilling head of that first machine constructed of soft tt steel When hen the Tas n 1 as 8 hine for the tho Johnstown work was be bet 16 tj t constructed the manufacturers pre aued upon Mr M tr Karns to t use u annealed t adian steel for the th bead head and that in m doing 30 feet of J ca rad d went to 3 in sand rock rk The hard steel stel would not stand the terrific jar to which I H it is 5 subjected Is An n entirely new machine constructed soft steel and following closely Mr e o of Karns arns sf own specifications has ha Just been Kans ted and it should be at work few days da Experts who have a a doubt that it will do the sn in t have hae no I il I jn v rk It Is possible that other othor changes ma be b found to be b necessary nee r but the Involved is correct and the ma mai iC involve i I TV wi will be perfected |