1¹⁄₂ teaspoonfuls baking-powder to 1 cupful flour.
¹⁄₂ teaspoonful soda and 1 teaspoonful cream of tartar is about
equivalent to 2 teaspoonfuls baking-powder.
¹⁄₂ cup liquid yeast equals ¹⁄₂ dry yeast cake, and ¹⁄₄ compressed
yeast cake.
1 cupful liquid yeast, 1 dry yeast cake, or ¹⁄₂ compressed yeast cake
to 1 pint liquid if bread is raised during the day.
¹⁄₂ cupful liquid yeast, ¹⁄₂ dry yeast cake, or ¹⁄₄ compressed yeast
cake to 1 pint liquid if bread is raised over night.
1¹⁄₂ teaspoonfuls soda to 1 pint thick, sour milk.
1¹⁄₂ teaspoonfuls soda to 1 pint molasses.