Origin of sal soda
Examples from the Web for sal soda
Neither did I put any sal-soda, or other acid or alkali, into my bread.Walden, and On The Duty Of Civil Disobedience|Henry David Thoreau
It should be thoroughly scrubbed with borax or sal-soda and water, and well aired, at least once a week.
Four pounds sal-soda, one pound chloride of lime, one gallon water.Cloud City Cook-Book|Mrs. William H. Nash
Tinware which has become blackened may be made to look bright and shining again by rubbing with a damp cloth dipped in sal-soda.