MINERAL rudden RUBBER there line been found in utah a large arge deposit of a cuir chous lous stance which eo so fur far As 49 Is I 1 known exists in no other place in the world ami and to which tho amu c couf ut mineral rubber baa has ben b en mays th 8 attle mining ilcin record it Is a semi elastic substance similar A br house of boston has mado extensive tests of it and now offer offers it to the tile traders trade a substitute for rubber in cheaper grades of goode goods this mineral rubber iier dative analysis shows itself to be a pure hydro carbon the molecules of which are built up in series precisely to those of crude rubber it ia wholly central tree free from sulphur and acids an interesting point bout about this remarkable substance Is that tho the melting point hardness bardo oss ductility and resistance of the pod act can be im regulated at lit will points of great import nace n see when the wide range of rubber co oni 11 1 l s ie Is considered up to the e present its uso use has been con decd to boots and shoes but it baa has enen e en been tried for pure ginn gum goods such as elastic bands vulcanized samples sain of gols gouts made of reclaimed rubber and mineral rubber and of A great variety of duboer compounds where from 15 to 20 percent per cent of or crude rubber has been taken out and mineral robber rubber substituted have been tested without showing any up apparent a rent loss either in elasticity inelasticity or durability dura