saleratus

Some housekeepers soak ripe peas over night, in water in which they have dissolved a little saleratus.

From Vegetable Diet: As Sanctioned by Medical Men, and by Experience in All Ages Including a System of Vegetable Cookery by William A. (William Andrus) Alcott

Dissolve a tea spoonful of saleratus, in half a tea cup of water and strain it into the cake, knead in flour till quite stiff.

From The New England Cook Book, or Young Housekeeper's Guide Being a Collection of the Most Valuable Receipts; Embracing all the Various Branches of Cookery, and Written in a Minute and Methodical Manner by Anonymous

Receipt 3.—Wheat meal, one quart; cream of tartar, two tea-spoonfuls; saleratus, one tea-spoonful; and two and a half teacups full of milk.

From Vegetable Diet: As Sanctioned by Medical Men, and by Experience in All Ages Including a System of Vegetable Cookery by William A. (William Andrus) Alcott

Old lamp burners should be boiled often in strong saleratus water.

From Cloud City Cook-Book by Mrs. William H. Nash

Dissolve a tea spoonful of saleratus, in a tea cup of milk, and strain it into the cake.

From The New England Cook Book, or Young Housekeeper's Guide Being a Collection of the Most Valuable Receipts; Embracing all the Various Branches of Cookery, and Written in a Minute and Methodical Manner by Anonymous