Chicago: The Commonwealth Press, 1915. Hardcover. 58 pages. 21 x 15 cm. Domestic Science Text Book. Chapters include: Ingredients of Baking Powder, Choice of "Acid" Ingredient, Manufacture and Use, Available Carbon Dioxide, and Conclusion. Clean copy, 2 cm. scratch to front cover. More about BAKING POWDER; A Healthful Convenient, Leavening Agent