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Show An Ini'iorl-int IfUcorer (Irrraun luvcstlgtion jirovcs that ncld roliitiotis will comers comraou i aw.lillt Into a material (ltm In lextnro nnd so extremely hard as lu Lo linpcneirablo by either it nntl or a gimlet. It Is nl.'O moio lmiervlou9 In tho action of tho ek-ments t'aau any other kuon u inato-rial inato-rial Urnl for Imtldlng pur)o,s, con-creto con-creto natural itoae nnd crdliinry build Ing uictnla not etc pled. liveUca tho nboro oxrcllrut qiialltUn, which of ci orso will mako It tunic high in Ihe oMhoatlonof contractors and Inlldc-rs, It lins another point IbntU mako U worthy of pnlto when finally adopted that of being pmctk'ully llrcproof, i-l men of lionrds m.ulo from It having lx.en subjoctcil to nn extrnordiuary degree de-gree of bent for upward of an hour without with-out warping or changing Its texturo in tho ioa-t. It ll claimed for it thnt It will bo stronger than wood for Joists nnd gird era, and, ubovo nil, that It can bo icnnu facturid at such n sllaht coat ns to bring it Into competition uitli Ibo uinro common com-mon building stuffs. HI. Louli Itcpnb-11c. |