Show the absolutely pure powder of cream of tartar and free from alum or acid royal baking powder renders bread biscuit cake and all flour foods finer and more healthful A A A fr baking powders made from alum phosphates and other harsh caustic acids are lower in price but they are injurious to the stomach the injurious ini urious effect of alum on the mucous coat of the stomach is positive and beyond dispute it is both an irritant and an the use of alum in any article of food or article used in the preparation of food should be prohibited JOHN C WISE MD medical inspector U 5 ny |