Show SALT YOUR youa CHIMNEYS in building a chimney put a quantity of salt in the mortar with which the inner course of bricks are to 0 o to be laid the effect will lie be that there never will be any a accumulation of soot in that chimney the abe philosophy is thus stated the salt in ia the portion of mortar which ais is exposed absorbs moisture from the atmosphere every damp dr day f the booi soot thus becoming damp falls down to the fire fires place this appears to be an english discovery it is used with success in m canada I 1 I 1 I 1 |