essel I n contact with centimeters of water in a spray becomes more and the clay allows itself to be carried along, the inter- more impermeable in measure as the spraying is more the earth very quickly loses its oxj'gen, which is con- stices through which the water and air circulated be- verted… … 158.633. The non-metallic productions were : Asbestos, tromp, F. If the earth is very permeable and is $368,175; baryta, $168; chromite, $41,301; coal, $7,774,- AFPABATUS FOB THE 8T1TDT OF THE PEBHEABILITT traversed at every instant by a quantity of air equal OF THE EABTH. 178; coke, $143,047; fire…
