Show wool made from stones possibility of future on a largo aenlo ot at rock woul wool from mineral deposits in n tho the peninsula of ontario to y by a report issued by tit tho 0 canadian department or of mines this ibis conclusion Is based upon successful experiments in tho departments lah nl ora oratories chero rock bool kvool at 0 highto quality lin ins heon been ninde made from FAin plem of at rock from the depo depoalis alts alock lloch wool Is s a which up to tho the present hns has not been mann fractured in canada it la Is used as aa nn nil insulator for nil types of built buildings and for numerous industrial purposes where it Is not subject to excessive vibration with tho of a very long king floored flexible wool that tant does docs not break lown down under tinder vibration such us its fins boon been produced oti on sin nn experimental scale front from canadian ritta material its ita nold field of service in blanket form rony may bo be extended to insulation for ships ariti railway A now and steadily widen tuff ing market for rock wool la Is in the bound proon and trent treat ment of auditoriums offices theaters and anillo stations its fireproof and vermin proof anturo makes it t especially valuable valuably ablo for fop these acao pupi poses |