Show Making Mineral Minerai Wool An American firm operating In Australla Aus trails haw has started works near Melt Mel Mel- t bourne beanie for turning the local basalt Into loto mineral wool for use as os an insulator In tn packing machinery and Ice chestand chests chest I and as u n substitute for lor asbestos according nc ne- ac- ac cording to the Scientific c American The basalt Is melted down with a 11 proportion proportion pro pro- ro- ro portion of or freestone and limestone am and then steam at nt an Immense pressure 1 Is forced through the fluid The liquid rock thus aerated flies OIes Into the al aland air said and falls taUs I In flakes on the floor or J |