The common name given to Sulphate of Soda, after a German chemist Glauber, who lived in about the middle of the seventeenth century. It is used largely in medicine. It has been used alone and in mixtures as a ‘bread improver’ . It has slightly astringent properties. Smeared on any surface mice are likely to attack, it acts as a deterrent.
From The Baker’s ABC by John Kirkland, formerly Head Teacher of National School of Baking, published 1927 by Gresham