Show Wb Why Brick StaIn I The substance which frequently I stains brick walls Is III probably a white alkaline solution which exu exudes from the pores of bricks brick which have been blell Imperfectly mixed or burnt When hen the thep p mixture of cia clay which Is to h he put into a brick mold m Is uneven or unbalanced especially If nn an alkaline clay Is used the Insl Inside of the brick Is not properly baked to the same Rame consistency as RII the outside and consequently the moisture which Is contained In the lie solution In Inthe Inthe inthe the Inside of the brick works out ont and streams down the side of the wall wail of which the brick Is a part |